Finding the Third Proportional to 42,857 and 62,610

Step by Step Solution

1. Step 1: Write the proportion equation
   42,857 : 62,610 = 62,610 : x
2. Step 2: Convert to fraction form
   42,857/62,610 = 62,610/x
3. Step 3: Cross multiply
   42,857x = 62,610 × 62,610
4. Step 4: Simplify right side
   42,857x = 3,920,012,100
5. Step 5: Solve for x
   x = 3,920,012,100/42,857
6. Step 6: Final answer
   x = 91,467.25