Finding the Third Proportional to 82,425.38 and 169,218

Step by Step Solution

1. Step 1: Write the proportion equation
   82,425.38 : 169,218 = 169,218 : x
2. Step 2: Convert to fraction form
   82,425.38/169,218 = 169,218/x
3. Step 3: Cross multiply
   82,425.38x = 169,218 × 169,218
4. Step 4: Simplify right side
   82,425.38x = 28,634,731,524
5. Step 5: Solve for x
   x = 28,634,731,524/82,425.38
6. Step 6: Final answer
   x = 347,401.90