Finding the Third Proportional to 20,304 and 40,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,304 : 40,081.50 = 40,081.50 : x
2. Step 2: Convert to fraction form
   20,304/40,081.50 = 40,081.50/x
3. Step 3: Cross multiply
   20,304x = 40,081.50 × 40,081.50
4. Step 4: Simplify right side
   20,304x = 1,606,526,642.25
5. Step 5: Solve for x
   x = 1,606,526,642.25/20,304
6. Step 6: Final answer
   x = 79,123.65