Finding the Third Proportional to 42,705 and 62,412

Step by Step Solution

1. Step 1: Write the proportion equation
   42,705 : 62,412 = 62,412 : x
2. Step 2: Convert to fraction form
   42,705/62,412 = 62,412/x
3. Step 3: Cross multiply
   42,705x = 62,412 × 62,412
4. Step 4: Simplify right side
   42,705x = 3,895,257,744
5. Step 5: Solve for x
   x = 3,895,257,744/42,705
6. Step 6: Final answer
   x = 91,213.15