Finding the Third Proportional to 91,344 and 141,360

Step by Step Solution

1. Step 1: Write the proportion equation
   91,344 : 141,360 = 141,360 : x
2. Step 2: Convert to fraction form
   91,344/141,360 = 141,360/x
3. Step 3: Cross multiply
   91,344x = 141,360 × 141,360
4. Step 4: Simplify right side
   91,344x = 19,982,649,600
5. Step 5: Solve for x
   x = 19,982,649,600/91,344
6. Step 6: Final answer
   x = 218,762.59