Finding the Third Proportional to 62,436 and 135,978

Step by Step Solution

1. Step 1: Write the proportion equation
   62,436 : 135,978 = 135,978 : x
2. Step 2: Convert to fraction form
   62,436/135,978 = 135,978/x
3. Step 3: Cross multiply
   62,436x = 135,978 × 135,978
4. Step 4: Simplify right side
   62,436x = 18,490,016,484
5. Step 5: Solve for x
   x = 18,490,016,484/62,436
6. Step 6: Final answer
   x = 296,143.51