Finding the Third Proportional to 424,063.50 and 655,788

Step by Step Solution

1. Step 1: Write the proportion equation
   424,063.50 : 655,788 = 655,788 : x
2. Step 2: Convert to fraction form
   424,063.50/655,788 = 655,788/x
3. Step 3: Cross multiply
   424,063.50x = 655,788 × 655,788
4. Step 4: Simplify right side
   424,063.50x = 430,057,900,944
5. Step 5: Solve for x
   x = 430,057,900,944/424,063.50
6. Step 6: Final answer
   x = 1,014,135.62