Finding the Third Proportional to 28,040.16 and 43,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,040.16 : 43,099.50 = 43,099.50 : x
2. Step 2: Convert to fraction form
   28,040.16/43,099.50 = 43,099.50/x
3. Step 3: Cross multiply
   28,040.16x = 43,099.50 × 43,099.50
4. Step 4: Simplify right side
   28,040.16x = 1,857,566,900.25
5. Step 5: Solve for x
   x = 1,857,566,900.25/28,040.16
6. Step 6: Final answer
   x = 66,246.67