Finding the Third Proportional to 158,493,690 and 345,124,687.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,493,690 : 345,124,687.50 = 345,124,687.50 : x
2. Step 2: Convert to fraction form
   158,493,690/345,124,687.50 = 345,124,687.50/x
3. Step 3: Cross multiply
   158,493,690x = 345,124,687.50 × 345,124,687.50
4. Step 4: Simplify right side
   158,493,690x = 119,111,049,921,972,656
5. Step 5: Solve for x
   x = 119,111,049,921,972,656/158,493,690
6. Step 6: Final answer
   x = 751,519,192.48