Finding the Third Proportional to 124,628,762.50 and 288,493,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,628,762.50 : 288,493,019.50 = 288,493,019.50 : x
2. Step 2: Convert to fraction form
   124,628,762.50/288,493,019.50 = 288,493,019.50/x
3. Step 3: Cross multiply
   124,628,762.50x = 288,493,019.50 × 288,493,019.50
4. Step 4: Simplify right side
   124,628,762.50x = 83,228,222,300,227,376
5. Step 5: Solve for x
   x = 83,228,222,300,227,376/124,628,762.50
6. Step 6: Final answer
   x = 667,809,104.66