Finding the Third Proportional to 55,360 and 88,131

Step by Step Solution

1. Step 1: Write the proportion equation
   55,360 : 88,131 = 88,131 : x
2. Step 2: Convert to fraction form
   55,360/88,131 = 88,131/x
3. Step 3: Cross multiply
   55,360x = 88,131 × 88,131
4. Step 4: Simplify right side
   55,360x = 7,767,073,161
5. Step 5: Solve for x
   x = 7,767,073,161/55,360
6. Step 6: Final answer
   x = 140,301.18