Finding the Third Proportional to 687,632.50 and 1,051,217.25

Step by Step Solution

1. Step 1: Write the proportion equation
   687,632.50 : 1,051,217.25 = 1,051,217.25 : x
2. Step 2: Convert to fraction form
   687,632.50/1,051,217.25 = 1,051,217.25/x
3. Step 3: Cross multiply
   687,632.50x = 1,051,217.25 × 1,051,217.25
4. Step 4: Simplify right side
   687,632.50x = 1,105,057,706,697.56
5. Step 5: Solve for x
   x = 1,105,057,706,697.56/687,632.50
6. Step 6: Final answer
   x = 1,607,046.94