Finding the Third Proportional to 19,352.67 and 20,719.55

Step by Step Solution

1. Step 1: Write the proportion equation
   19,352.67 : 20,719.55 = 20,719.55 : x
2. Step 2: Convert to fraction form
   19,352.67/20,719.55 = 20,719.55/x
3. Step 3: Cross multiply
   19,352.67x = 20,719.55 × 20,719.55
4. Step 4: Simplify right side
   19,352.67x = 429,299,622.71
5. Step 5: Solve for x
   x = 429,299,622.71/19,352.67
6. Step 6: Final answer
   x = 22,182.96