Finding the Third Proportional to 124,628,755.50 and 288,493,002

Step by Step Solution

1. Step 1: Write the proportion equation
   124,628,755.50 : 288,493,002 = 288,493,002 : x
2. Step 2: Convert to fraction form
   124,628,755.50/288,493,002 = 288,493,002/x
3. Step 3: Cross multiply
   124,628,755.50x = 288,493,002 × 288,493,002
4. Step 4: Simplify right side
   124,628,755.50x = 83,228,212,202,972,000
5. Step 5: Solve for x
   x = 83,228,212,202,972,000/124,628,755.50
6. Step 6: Final answer
   x = 667,809,061.15