Finding the Third Proportional to 62,469 and 131,910

Step by Step Solution

1. Step 1: Write the proportion equation
   62,469 : 131,910 = 131,910 : x
2. Step 2: Convert to fraction form
   62,469/131,910 = 131,910/x
3. Step 3: Cross multiply
   62,469x = 131,910 × 131,910
4. Step 4: Simplify right side
   62,469x = 17,400,248,100
5. Step 5: Solve for x
   x = 17,400,248,100/62,469
6. Step 6: Final answer
   x = 278,542.13