Finding the Third Proportional to 435,413.25 and 672,534

Step by Step Solution

1. Step 1: Write the proportion equation
   435,413.25 : 672,534 = 672,534 : x
2. Step 2: Convert to fraction form
   435,413.25/672,534 = 672,534/x
3. Step 3: Cross multiply
   435,413.25x = 672,534 × 672,534
4. Step 4: Simplify right side
   435,413.25x = 452,301,981,156
5. Step 5: Solve for x
   x = 452,301,981,156/435,413.25
6. Step 6: Final answer
   x = 1,038,787.82