Finding the Third Proportional to 16,488 and 22,118

Step by Step Solution

1. Step 1: Write the proportion equation
   16,488 : 22,118 = 22,118 : x
2. Step 2: Convert to fraction form
   16,488/22,118 = 22,118/x
3. Step 3: Cross multiply
   16,488x = 22,118 × 22,118
4. Step 4: Simplify right side
   16,488x = 489,205,924
5. Step 5: Solve for x
   x = 489,205,924/16,488
6. Step 6: Final answer
   x = 29,670.42