Finding the Third Proportional to 38,902 and 55,049

Step by Step Solution

1. Step 1: Write the proportion equation
   38,902 : 55,049 = 55,049 : x
2. Step 2: Convert to fraction form
   38,902/55,049 = 55,049/x
3. Step 3: Cross multiply
   38,902x = 55,049 × 55,049
4. Step 4: Simplify right side
   38,902x = 3,030,392,401
5. Step 5: Solve for x
   x = 3,030,392,401/38,902
6. Step 6: Final answer
   x = 77,898.11