Finding the Third Proportional to 57,075.47 and 88,720.31

Step by Step Solution

1. Step 1: Write the proportion equation
   57,075.47 : 88,720.31 = 88,720.31 : x
2. Step 2: Convert to fraction form
   57,075.47/88,720.31 = 88,720.31/x
3. Step 3: Cross multiply
   57,075.47x = 88,720.31 × 88,720.31
4. Step 4: Simplify right side
   57,075.47x = 7,871,293,850.10
5. Step 5: Solve for x
   x = 7,871,293,850.10/57,075.47
6. Step 6: Final answer
   x = 137,910.28