Finding the Third Proportional to 60,269 and 131,109

Step by Step Solution

1. Step 1: Write the proportion equation
   60,269 : 131,109 = 131,109 : x
2. Step 2: Convert to fraction form
   60,269/131,109 = 131,109/x
3. Step 3: Cross multiply
   60,269x = 131,109 × 131,109
4. Step 4: Simplify right side
   60,269x = 17,189,569,881
5. Step 5: Solve for x
   x = 17,189,569,881/60,269
6. Step 6: Final answer
   x = 285,214.12