Finding the Third Proportional to 92,215 and 142,418

Step by Step Solution

1. Step 1: Write the proportion equation
   92,215 : 142,418 = 142,418 : x
2. Step 2: Convert to fraction form
   92,215/142,418 = 142,418/x
3. Step 3: Cross multiply
   92,215x = 142,418 × 142,418
4. Step 4: Simplify right side
   92,215x = 20,282,886,724
5. Step 5: Solve for x
   x = 20,282,886,724/92,215
6. Step 6: Final answer
   x = 219,952.14