Finding the Third Proportional to 8,892.28 and 13,672.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,892.28 : 13,672.55 = 13,672.55 : x
2. Step 2: Convert to fraction form
   8,892.28/13,672.55 = 13,672.55/x
3. Step 3: Cross multiply
   8,892.28x = 13,672.55 × 13,672.55
4. Step 4: Simplify right side
   8,892.28x = 186,938,538.05
5. Step 5: Solve for x
   x = 186,938,538.05/8,892.28
6. Step 6: Final answer
   x = 21,022.56