Finding the Third Proportional to 488,199,438 and 736,839,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   488,199,438 : 736,839,139.50 = 736,839,139.50 : x
2. Step 2: Convert to fraction form
   488,199,438/736,839,139.50 = 736,839,139.50/x
3. Step 3: Cross multiply
   488,199,438x = 736,839,139.50 × 736,839,139.50
4. Step 4: Simplify right side
   488,199,438x = 542,931,917,499,100,480
5. Step 5: Solve for x
   x = 542,931,917,499,100,480/488,199,438
6. Step 6: Final answer
   x = 1,112,110,902.31