Finding the Third Proportional to 55,382 and 88,040

Step by Step Solution

1. Step 1: Write the proportion equation
   55,382 : 88,040 = 88,040 : x
2. Step 2: Convert to fraction form
   55,382/88,040 = 88,040/x
3. Step 3: Cross multiply
   55,382x = 88,040 × 88,040
4. Step 4: Simplify right side
   55,382x = 7,751,041,600
5. Step 5: Solve for x
   x = 7,751,041,600/55,382
6. Step 6: Final answer
   x = 139,955.97