Finding the Third Proportional to 31,488 and 49,134

Step by Step Solution

1. Step 1: Write the proportion equation
   31,488 : 49,134 = 49,134 : x
2. Step 2: Convert to fraction form
   31,488/49,134 = 49,134/x
3. Step 3: Cross multiply
   31,488x = 49,134 × 49,134
4. Step 4: Simplify right side
   31,488x = 2,414,149,956
5. Step 5: Solve for x
   x = 2,414,149,956/31,488
6. Step 6: Final answer
   x = 76,668.89