Finding the Third Proportional to 42,579 and 62,370

Step by Step Solution

1. Step 1: Write the proportion equation
   42,579 : 62,370 = 62,370 : x
2. Step 2: Convert to fraction form
   42,579/62,370 = 62,370/x
3. Step 3: Cross multiply
   42,579x = 62,370 × 62,370
4. Step 4: Simplify right side
   42,579x = 3,890,016,900
5. Step 5: Solve for x
   x = 3,890,016,900/42,579
6. Step 6: Final answer
   x = 91,359.99