Finding the Third Proportional to 28,734.75 and 43,141.78

Step by Step Solution

1. Step 1: Write the proportion equation
   28,734.75 : 43,141.78 = 43,141.78 : x
2. Step 2: Convert to fraction form
   28,734.75/43,141.78 = 43,141.78/x
3. Step 3: Cross multiply
   28,734.75x = 43,141.78 × 43,141.78
4. Step 4: Simplify right side
   28,734.75x = 1,861,213,289.42
5. Step 5: Solve for x
   x = 1,861,213,289.42/28,734.75
6. Step 6: Final answer
   x = 64,772.21