Finding the Third Proportional to 28,234 and 42,397

Step by Step Solution

1. Step 1: Write the proportion equation
   28,234 : 42,397 = 42,397 : x
2. Step 2: Convert to fraction form
   28,234/42,397 = 42,397/x
3. Step 3: Cross multiply
   28,234x = 42,397 × 42,397
4. Step 4: Simplify right side
   28,234x = 1,797,505,609
5. Step 5: Solve for x
   x = 1,797,505,609/28,234
6. Step 6: Final answer
   x = 63,664.57