Finding the Third Proportional to 62,640 and 88,104

Step by Step Solution

1. Step 1: Write the proportion equation
   62,640 : 88,104 = 88,104 : x
2. Step 2: Convert to fraction form
   62,640/88,104 = 88,104/x
3. Step 3: Cross multiply
   62,640x = 88,104 × 88,104
4. Step 4: Simplify right side
   62,640x = 7,762,314,816
5. Step 5: Solve for x
   x = 7,762,314,816/62,640
6. Step 6: Final answer
   x = 123,919.46