Finding the Third Proportional to 28,612 and 42,752

Step by Step Solution

1. Step 1: Write the proportion equation
   28,612 : 42,752 = 42,752 : x
2. Step 2: Convert to fraction form
   28,612/42,752 = 42,752/x
3. Step 3: Cross multiply
   28,612x = 42,752 × 42,752
4. Step 4: Simplify right side
   28,612x = 1,827,733,504
5. Step 5: Solve for x
   x = 1,827,733,504/28,612
6. Step 6: Final answer
   x = 63,879.96