Finding the Third Proportional to 9,638,837 and 12,850,350

Step by Step Solution

1. Step 1: Write the proportion equation
   9,638,837 : 12,850,350 = 12,850,350 : x
2. Step 2: Convert to fraction form
   9,638,837/12,850,350 = 12,850,350/x
3. Step 3: Cross multiply
   9,638,837x = 12,850,350 × 12,850,350
4. Step 4: Simplify right side
   9,638,837x = 165,131,495,122,500
5. Step 5: Solve for x
   x = 165,131,495,122,500/9,638,837
6. Step 6: Final answer
   x = 17,131,889.99