Finding the Third Proportional to 67,789 and 103,065

Step by Step Solution

1. Step 1: Write the proportion equation
   67,789 : 103,065 = 103,065 : x
2. Step 2: Convert to fraction form
   67,789/103,065 = 103,065/x
3. Step 3: Cross multiply
   67,789x = 103,065 × 103,065
4. Step 4: Simplify right side
   67,789x = 10,622,394,225
5. Step 5: Solve for x
   x = 10,622,394,225/67,789
6. Step 6: Final answer
   x = 156,697.90