Finding the Third Proportional to 12,453.75 and 16,372.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,453.75 : 16,372.13 = 16,372.13 : x
2. Step 2: Convert to fraction form
   12,453.75/16,372.13 = 16,372.13/x
3. Step 3: Cross multiply
   12,453.75x = 16,372.13 × 16,372.13
4. Step 4: Simplify right side
   12,453.75x = 268,046,477.02
5. Step 5: Solve for x
   x = 268,046,477.02/12,453.75
6. Step 6: Final answer
   x = 21,523.35