Finding the Third Proportional to 62,478 and 136,046.25

Step by Step Solution

1. Step 1: Write the proportion equation
   62,478 : 136,046.25 = 136,046.25 : x
2. Step 2: Convert to fraction form
   62,478/136,046.25 = 136,046.25/x
3. Step 3: Cross multiply
   62,478x = 136,046.25 × 136,046.25
4. Step 4: Simplify right side
   62,478x = 18,508,582,139.06
5. Step 5: Solve for x
   x = 18,508,582,139.06/62,478
6. Step 6: Final answer
   x = 296,241.59