Finding the Third Proportional to 706,414.50 and 1,008,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   706,414.50 : 1,008,859.50 = 1,008,859.50 : x
2. Step 2: Convert to fraction form
   706,414.50/1,008,859.50 = 1,008,859.50/x
3. Step 3: Cross multiply
   706,414.50x = 1,008,859.50 × 1,008,859.50
4. Step 4: Simplify right side
   706,414.50x = 1,017,797,490,740.25
5. Step 5: Solve for x
   x = 1,017,797,490,740.25/706,414.50
6. Step 6: Final answer
   x = 1,440,793.60