Finding the Third Proportional to 8,493,152,152 and 12,739,729,322

Step by Step Solution

1. Step 1: Write the proportion equation
   8,493,152,152 : 12,739,729,322 = 12,739,729,322 : x
2. Step 2: Convert to fraction form
   8,493,152,152/12,739,729,322 = 12,739,729,322/x
3. Step 3: Cross multiply
   8,493,152,152x = 12,739,729,322 × 12,739,729,322
4. Step 4: Simplify right side
   8,493,152,152x = 162,300,703,197,826,580,480
5. Step 5: Solve for x
   x = 162,300,703,197,826,580,480/8,493,152,152
6. Step 6: Final answer
   x = 19,109,595,624.00