Finding the Third Proportional to 42,684 and 62,385

Step by Step Solution

1. Step 1: Write the proportion equation
   42,684 : 62,385 = 62,385 : x
2. Step 2: Convert to fraction form
   42,684/62,385 = 62,385/x
3. Step 3: Cross multiply
   42,684x = 62,385 × 62,385
4. Step 4: Simplify right side
   42,684x = 3,891,888,225
5. Step 5: Solve for x
   x = 3,891,888,225/42,684
6. Step 6: Final answer
   x = 91,179.09