Finding the Third Proportional to 53,280 and 71,080.88

Step by Step Solution

1. Step 1: Write the proportion equation
   53,280 : 71,080.88 = 71,080.88 : x
2. Step 2: Convert to fraction form
   53,280/71,080.88 = 71,080.88/x
3. Step 3: Cross multiply
   53,280x = 71,080.88 × 71,080.88
4. Step 4: Simplify right side
   53,280x = 5,052,490,790.77
5. Step 5: Solve for x
   x = 5,052,490,790.77/53,280
6. Step 6: Final answer
   x = 94,829.03