Finding the Third Proportional to 54,564 and 80,118

Step by Step Solution

1. Step 1: Write the proportion equation
   54,564 : 80,118 = 80,118 : x
2. Step 2: Convert to fraction form
   54,564/80,118 = 80,118/x
3. Step 3: Cross multiply
   54,564x = 80,118 × 80,118
4. Step 4: Simplify right side
   54,564x = 6,418,893,924
5. Step 5: Solve for x
   x = 6,418,893,924/54,564
6. Step 6: Final answer
   x = 117,639.72