Finding the Third Proportional to 28,738 and 43,142

Step by Step Solution

1. Step 1: Write the proportion equation
   28,738 : 43,142 = 43,142 : x
2. Step 2: Convert to fraction form
   28,738/43,142 = 43,142/x
3. Step 3: Cross multiply
   28,738x = 43,142 × 43,142
4. Step 4: Simplify right side
   28,738x = 1,861,232,164
5. Step 5: Solve for x
   x = 1,861,232,164/28,738
6. Step 6: Final answer
   x = 64,765.54