Finding the Third Proportional to 93,510 and 142,218

Step by Step Solution

1. Step 1: Write the proportion equation
   93,510 : 142,218 = 142,218 : x
2. Step 2: Convert to fraction form
   93,510/142,218 = 142,218/x
3. Step 3: Cross multiply
   93,510x = 142,218 × 142,218
4. Step 4: Simplify right side
   93,510x = 20,225,959,524
5. Step 5: Solve for x
   x = 20,225,959,524/93,510
6. Step 6: Final answer
   x = 216,297.29