Finding the Third Proportional to 31,570.50 and 52,610.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,570.50 : 52,610.50 = 52,610.50 : x
2. Step 2: Convert to fraction form
   31,570.50/52,610.50 = 52,610.50/x
3. Step 3: Cross multiply
   31,570.50x = 52,610.50 × 52,610.50
4. Step 4: Simplify right side
   31,570.50x = 2,767,864,710.25
5. Step 5: Solve for x
   x = 2,767,864,710.25/31,570.50
6. Step 6: Final answer
   x = 87,672.50