Finding the Third Proportional to 55,626 and 88,442

Step by Step Solution

1. Step 1: Write the proportion equation
   55,626 : 88,442 = 88,442 : x
2. Step 2: Convert to fraction form
   55,626/88,442 = 88,442/x
3. Step 3: Cross multiply
   55,626x = 88,442 × 88,442
4. Step 4: Simplify right side
   55,626x = 7,821,987,364
5. Step 5: Solve for x
   x = 7,821,987,364/55,626
6. Step 6: Final answer
   x = 140,617.47