Finding the Third Proportional to 67,842 and 103,339

Step by Step Solution

1. Step 1: Write the proportion equation
   67,842 : 103,339 = 103,339 : x
2. Step 2: Convert to fraction form
   67,842/103,339 = 103,339/x
3. Step 3: Cross multiply
   67,842x = 103,339 × 103,339
4. Step 4: Simplify right side
   67,842x = 10,678,948,921
5. Step 5: Solve for x
   x = 10,678,948,921/67,842
6. Step 6: Final answer
   x = 157,409.11