Finding the Third Proportional to 63,408 and 88,644

Step by Step Solution

1. Step 1: Write the proportion equation
   63,408 : 88,644 = 88,644 : x
2. Step 2: Convert to fraction form
   63,408/88,644 = 88,644/x
3. Step 3: Cross multiply
   63,408x = 88,644 × 88,644
4. Step 4: Simplify right side
   63,408x = 7,857,758,736
5. Step 5: Solve for x
   x = 7,857,758,736/63,408
6. Step 6: Final answer
   x = 123,923.78