Finding the Third Proportional to 103,680 and 155,916

Step by Step Solution

1. Step 1: Write the proportion equation
   103,680 : 155,916 = 155,916 : x
2. Step 2: Convert to fraction form
   103,680/155,916 = 155,916/x
3. Step 3: Cross multiply
   103,680x = 155,916 × 155,916
4. Step 4: Simplify right side
   103,680x = 24,309,799,056
5. Step 5: Solve for x
   x = 24,309,799,056/103,680
6. Step 6: Final answer
   x = 234,469.51