Finding the Third Proportional to 16,218 and 23,439

Step by Step Solution

1. Step 1: Write the proportion equation
   16,218 : 23,439 = 23,439 : x
2. Step 2: Convert to fraction form
   16,218/23,439 = 23,439/x
3. Step 3: Cross multiply
   16,218x = 23,439 × 23,439
4. Step 4: Simplify right side
   16,218x = 549,386,721
5. Step 5: Solve for x
   x = 549,386,721/16,218
6. Step 6: Final answer
   x = 33,875.12