Finding the Third Proportional to 28,354 and 42,850

Step by Step Solution

1. Step 1: Write the proportion equation
   28,354 : 42,850 = 42,850 : x
2. Step 2: Convert to fraction form
   28,354/42,850 = 42,850/x
3. Step 3: Cross multiply
   28,354x = 42,850 × 42,850
4. Step 4: Simplify right side
   28,354x = 1,836,122,500
5. Step 5: Solve for x
   x = 1,836,122,500/28,354
6. Step 6: Final answer
   x = 64,757.09