Finding the Third Proportional to 754,407 and 1,025,176.50

Step by Step Solution

1. Step 1: Write the proportion equation
   754,407 : 1,025,176.50 = 1,025,176.50 : x
2. Step 2: Convert to fraction form
   754,407/1,025,176.50 = 1,025,176.50/x
3. Step 3: Cross multiply
   754,407x = 1,025,176.50 × 1,025,176.50
4. Step 4: Simplify right side
   754,407x = 1,050,986,856,152.25
5. Step 5: Solve for x
   x = 1,050,986,856,152.25/754,407
6. Step 6: Final answer
   x = 1,393,129.78