Finding the Third Proportional to 42,690 and 93,156

Step by Step Solution

1. Step 1: Write the proportion equation
   42,690 : 93,156 = 93,156 : x
2. Step 2: Convert to fraction form
   42,690/93,156 = 93,156/x
3. Step 3: Cross multiply
   42,690x = 93,156 × 93,156
4. Step 4: Simplify right side
   42,690x = 8,678,040,336
5. Step 5: Solve for x
   x = 8,678,040,336/42,690
6. Step 6: Final answer
   x = 203,280.40