Finding the Third Proportional to 56,808 and 88,920

Step by Step Solution

1. Step 1: Write the proportion equation
   56,808 : 88,920 = 88,920 : x
2. Step 2: Convert to fraction form
   56,808/88,920 = 88,920/x
3. Step 3: Cross multiply
   56,808x = 88,920 × 88,920
4. Step 4: Simplify right side
   56,808x = 7,906,766,400
5. Step 5: Solve for x
   x = 7,906,766,400/56,808
6. Step 6: Final answer
   x = 139,184.03