Finding the Third Proportional to 38,230 and 56,218

Step by Step Solution

1. Step 1: Write the proportion equation
   38,230 : 56,218 = 56,218 : x
2. Step 2: Convert to fraction form
   38,230/56,218 = 56,218/x
3. Step 3: Cross multiply
   38,230x = 56,218 × 56,218
4. Step 4: Simplify right side
   38,230x = 3,160,463,524
5. Step 5: Solve for x
   x = 3,160,463,524/38,230
6. Step 6: Final answer
   x = 82,669.72