Finding the Third Proportional to 58,809.50 and 88,761.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,809.50 : 88,761.50 = 88,761.50 : x
2. Step 2: Convert to fraction form
   58,809.50/88,761.50 = 88,761.50/x
3. Step 3: Cross multiply
   58,809.50x = 88,761.50 × 88,761.50
4. Step 4: Simplify right side
   58,809.50x = 7,878,603,882.25
5. Step 5: Solve for x
   x = 7,878,603,882.25/58,809.50
6. Step 6: Final answer
   x = 133,968.22