Finding the Third Proportional to 498,360 and 747,382.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,360 : 747,382.50 = 747,382.50 : x
2. Step 2: Convert to fraction form
   498,360/747,382.50 = 747,382.50/x
3. Step 3: Cross multiply
   498,360x = 747,382.50 × 747,382.50
4. Step 4: Simplify right side
   498,360x = 558,580,601,306.25
5. Step 5: Solve for x
   x = 558,580,601,306.25/498,360
6. Step 6: Final answer
   x = 1,120,837.55