Finding the Third Proportional to 498,363 and 747,388.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,363 : 747,388.50 = 747,388.50 : x
2. Step 2: Convert to fraction form
   498,363/747,388.50 = 747,388.50/x
3. Step 3: Cross multiply
   498,363x = 747,388.50 × 747,388.50
4. Step 4: Simplify right side
   498,363x = 558,589,569,932.25
5. Step 5: Solve for x
   x = 558,589,569,932.25/498,363
6. Step 6: Final answer
   x = 1,120,848.80