Finding the Third Proportional to 53,280 and 88,791

Step by Step Solution

1. Step 1: Write the proportion equation
   53,280 : 88,791 = 88,791 : x
2. Step 2: Convert to fraction form
   53,280/88,791 = 88,791/x
3. Step 3: Cross multiply
   53,280x = 88,791 × 88,791
4. Step 4: Simplify right side
   53,280x = 7,883,841,681
5. Step 5: Solve for x
   x = 7,883,841,681/53,280
6. Step 6: Final answer
   x = 147,970.00