Finding the Third Proportional to 12,153 and 16,528.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,153 : 16,528.50 = 16,528.50 : x
2. Step 2: Convert to fraction form
   12,153/16,528.50 = 16,528.50/x
3. Step 3: Cross multiply
   12,153x = 16,528.50 × 16,528.50
4. Step 4: Simplify right side
   12,153x = 273,191,312.25
5. Step 5: Solve for x
   x = 273,191,312.25/12,153
6. Step 6: Final answer
   x = 22,479.33