Finding the Third Proportional to 28,306.13 and 43,687.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,306.13 : 43,687.69 = 43,687.69 : x
2. Step 2: Convert to fraction form
   28,306.13/43,687.69 = 43,687.69/x
3. Step 3: Cross multiply
   28,306.13x = 43,687.69 × 43,687.69
4. Step 4: Simplify right side
   28,306.13x = 1,908,614,039.10
5. Step 5: Solve for x
   x = 1,908,614,039.10/28,306.13
6. Step 6: Final answer
   x = 67,427.60