Finding the Third Proportional to 12,118 and 16,368.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,118 : 16,368.50 = 16,368.50 : x
2. Step 2: Convert to fraction form
   12,118/16,368.50 = 16,368.50/x
3. Step 3: Cross multiply
   12,118x = 16,368.50 × 16,368.50
4. Step 4: Simplify right side
   12,118x = 267,927,792.25
5. Step 5: Solve for x
   x = 267,927,792.25/12,118
6. Step 6: Final answer
   x = 22,109.90