Finding the Third Proportional to 38,754 and 54,850

Step by Step Solution

1. Step 1: Write the proportion equation
   38,754 : 54,850 = 54,850 : x
2. Step 2: Convert to fraction form
   38,754/54,850 = 54,850/x
3. Step 3: Cross multiply
   38,754x = 54,850 × 54,850
4. Step 4: Simplify right side
   38,754x = 3,008,522,500
5. Step 5: Solve for x
   x = 3,008,522,500/38,754
6. Step 6: Final answer
   x = 77,631.28