Finding the Third Proportional to 491,400 and 740,562.75

Step by Step Solution

1. Step 1: Write the proportion equation
   491,400 : 740,562.75 = 740,562.75 : x
2. Step 2: Convert to fraction form
   491,400/740,562.75 = 740,562.75/x
3. Step 3: Cross multiply
   491,400x = 740,562.75 × 740,562.75
4. Step 4: Simplify right side
   491,400x = 548,433,186,687.56
5. Step 5: Solve for x
   x = 548,433,186,687.56/491,400
6. Step 6: Final answer
   x = 1,116,062.65