Finding the Third Proportional to 424,181.25 and 914,782.50

Step by Step Solution

1. Step 1: Write the proportion equation
   424,181.25 : 914,782.50 = 914,782.50 : x
2. Step 2: Convert to fraction form
   424,181.25/914,782.50 = 914,782.50/x
3. Step 3: Cross multiply
   424,181.25x = 914,782.50 × 914,782.50
4. Step 4: Simplify right side
   424,181.25x = 836,827,022,306.25
5. Step 5: Solve for x
   x = 836,827,022,306.25/424,181.25
6. Step 6: Final answer
   x = 1,972,805.31