Finding the Third Proportional to 28,168.88 and 43,869.38

Step by Step Solution

1. Step 1: Write the proportion equation
   28,168.88 : 43,869.38 = 43,869.38 : x
2. Step 2: Convert to fraction form
   28,168.88/43,869.38 = 43,869.38/x
3. Step 3: Cross multiply
   28,168.88x = 43,869.38 × 43,869.38
4. Step 4: Simplify right side
   28,168.88x = 1,924,522,062.89
5. Step 5: Solve for x
   x = 1,924,522,062.89/28,168.88
6. Step 6: Final answer
   x = 68,320.87