Finding the Third Proportional to 524,173 and 717,288.50

Step by Step Solution

1. Step 1: Write the proportion equation
   524,173 : 717,288.50 = 717,288.50 : x
2. Step 2: Convert to fraction form
   524,173/717,288.50 = 717,288.50/x
3. Step 3: Cross multiply
   524,173x = 717,288.50 × 717,288.50
4. Step 4: Simplify right side
   524,173x = 514,502,792,232.25
5. Step 5: Solve for x
   x = 514,502,792,232.25/524,173
6. Step 6: Final answer
   x = 981,551.50