Finding the Third Proportional to 53,219.50 and 88,695.75

Step by Step Solution

1. Step 1: Write the proportion equation
   53,219.50 : 88,695.75 = 88,695.75 : x
2. Step 2: Convert to fraction form
   53,219.50/88,695.75 = 88,695.75/x
3. Step 3: Cross multiply
   53,219.50x = 88,695.75 × 88,695.75
4. Step 4: Simplify right side
   53,219.50x = 7,866,936,068.06
5. Step 5: Solve for x
   x = 7,866,936,068.06/53,219.50
6. Step 6: Final answer
   x = 147,820.56