Finding the Third Proportional to 655,499 and 885,630

Step by Step Solution

1. Step 1: Write the proportion equation
   655,499 : 885,630 = 885,630 : x
2. Step 2: Convert to fraction form
   655,499/885,630 = 885,630/x
3. Step 3: Cross multiply
   655,499x = 885,630 × 885,630
4. Step 4: Simplify right side
   655,499x = 784,340,496,900
5. Step 5: Solve for x
   x = 784,340,496,900/655,499
6. Step 6: Final answer
   x = 1,196,554.83