Finding the Third Proportional to 28,371.20 and 45,324.72

Step by Step Solution

1. Step 1: Write the proportion equation
   28,371.20 : 45,324.72 = 45,324.72 : x
2. Step 2: Convert to fraction form
   28,371.20/45,324.72 = 45,324.72/x
3. Step 3: Cross multiply
   28,371.20x = 45,324.72 × 45,324.72
4. Step 4: Simplify right side
   28,371.20x = 2,054,330,306.82
5. Step 5: Solve for x
   x = 2,054,330,306.82/28,371.20
6. Step 6: Final answer
   x = 72,409.01