Finding the Third Proportional to 60,390.50 and 88,809.75

Step by Step Solution

1. Step 1: Write the proportion equation
   60,390.50 : 88,809.75 = 88,809.75 : x
2. Step 2: Convert to fraction form
   60,390.50/88,809.75 = 88,809.75/x
3. Step 3: Cross multiply
   60,390.50x = 88,809.75 × 88,809.75
4. Step 4: Simplify right side
   60,390.50x = 7,887,171,695.06
5. Step 5: Solve for x
   x = 7,887,171,695.06/60,390.50
6. Step 6: Final answer
   x = 130,602.85