Finding the Third Proportional to 57,510.50 and 84,331.75

Step by Step Solution

1. Step 1: Write the proportion equation
   57,510.50 : 84,331.75 = 84,331.75 : x
2. Step 2: Convert to fraction form
   57,510.50/84,331.75 = 84,331.75/x
3. Step 3: Cross multiply
   57,510.50x = 84,331.75 × 84,331.75
4. Step 4: Simplify right side
   57,510.50x = 7,111,844,058.06
5. Step 5: Solve for x
   x = 7,111,844,058.06/57,510.50
6. Step 6: Final answer
   x = 123,661.66