Finding the Third Proportional to 67,920 and 88,752

Step by Step Solution

1. Step 1: Write the proportion equation
   67,920 : 88,752 = 88,752 : x
2. Step 2: Convert to fraction form
   67,920/88,752 = 88,752/x
3. Step 3: Cross multiply
   67,920x = 88,752 × 88,752
4. Step 4: Simplify right side
   67,920x = 7,876,917,504
5. Step 5: Solve for x
   x = 7,876,917,504/67,920
6. Step 6: Final answer
   x = 115,973.46