Finding the Third Proportional to 108,960 and 154,188

Step by Step Solution

1. Step 1: Write the proportion equation
   108,960 : 154,188 = 154,188 : x
2. Step 2: Convert to fraction form
   108,960/154,188 = 154,188/x
3. Step 3: Cross multiply
   108,960x = 154,188 × 154,188
4. Step 4: Simplify right side
   108,960x = 23,773,939,344
5. Step 5: Solve for x
   x = 23,773,939,344/108,960
6. Step 6: Final answer
   x = 218,189.60