Finding the Third Proportional to 149,288,053,311.75 and 329,005,766,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,288,053,311.75 : 329,005,766,449.50 = 329,005,766,449.50 : x
2. Step 2: Convert to fraction form
   149,288,053,311.75/329,005,766,449.50 = 329,005,766,449.50/x
3. Step 3: Cross multiply
   149,288,053,311.75x = 329,005,766,449.50 × 329,005,766,449.50
4. Step 4: Simplify right side
   149,288,053,311.75x = 108,244,794,357,022,940,200,960
5. Step 5: Solve for x
   x = 108,244,794,357,022,940,200,960/149,288,053,311.75
6. Step 6: Final answer
   x = 725,073,386,354.51