Finding the Third Proportional to 54,659 and 71,769

Step by Step Solution

1. Step 1: Write the proportion equation
   54,659 : 71,769 = 71,769 : x
2. Step 2: Convert to fraction form
   54,659/71,769 = 71,769/x
3. Step 3: Cross multiply
   54,659x = 71,769 × 71,769
4. Step 4: Simplify right side
   54,659x = 5,150,789,361
5. Step 5: Solve for x
   x = 5,150,789,361/54,659
6. Step 6: Final answer
   x = 94,234.97