Finding the Third Proportional to 12,003,245,548,342 and 16,195,196,541,230

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003,245,548,342 : 16,195,196,541,230 = 16,195,196,541,230 : x
2. Step 2: Convert to fraction form
   12,003,245,548,342/16,195,196,541,230 = 16,195,196,541,230/x
3. Step 3: Cross multiply
   12,003,245,548,342x = 16,195,196,541,230 × 16,195,196,541,230
4. Step 4: Simplify right side
   12,003,245,548,342x = 262,284,391,009,068,143,075,131,392
5. Step 5: Solve for x
   x = 262,284,391,009,068,143,075,131,392/12,003,245,548,342
6. Step 6: Final answer
   x = 21,851,122,677,840.85