Finding the Third Proportional to 54,680 and 71,799

Step by Step Solution

1. Step 1: Write the proportion equation
   54,680 : 71,799 = 71,799 : x
2. Step 2: Convert to fraction form
   54,680/71,799 = 71,799/x
3. Step 3: Cross multiply
   54,680x = 71,799 × 71,799
4. Step 4: Simplify right side
   54,680x = 5,155,096,401
5. Step 5: Solve for x
   x = 5,155,096,401/54,680
6. Step 6: Final answer
   x = 94,277.55