Finding the Third Proportional to 28,742 and 43,150

Step by Step Solution

1. Step 1: Write the proportion equation
   28,742 : 43,150 = 43,150 : x
2. Step 2: Convert to fraction form
   28,742/43,150 = 43,150/x
3. Step 3: Cross multiply
   28,742x = 43,150 × 43,150
4. Step 4: Simplify right side
   28,742x = 1,861,922,500
5. Step 5: Solve for x
   x = 1,861,922,500/28,742
6. Step 6: Final answer
   x = 64,780.55