Finding the Third Proportional to 62,960 and 137,600

Step by Step Solution

1. Step 1: Write the proportion equation
   62,960 : 137,600 = 137,600 : x
2. Step 2: Convert to fraction form
   62,960/137,600 = 137,600/x
3. Step 3: Cross multiply
   62,960x = 137,600 × 137,600
4. Step 4: Simplify right side
   62,960x = 18,933,760,000
5. Step 5: Solve for x
   x = 18,933,760,000/62,960
6. Step 6: Final answer
   x = 300,726.81