Finding the Third Proportional to 55,366 and 88,140

Step by Step Solution

1. Step 1: Write the proportion equation
   55,366 : 88,140 = 88,140 : x
2. Step 2: Convert to fraction form
   55,366/88,140 = 88,140/x
3. Step 3: Cross multiply
   55,366x = 88,140 × 88,140
4. Step 4: Simplify right side
   55,366x = 7,768,659,600
5. Step 5: Solve for x
   x = 7,768,659,600/55,366
6. Step 6: Final answer
   x = 140,314.63