Finding the Third Proportional to 72,344 and 108,440

Step by Step Solution

1. Step 1: Write the proportion equation
   72,344 : 108,440 = 108,440 : x
2. Step 2: Convert to fraction form
   72,344/108,440 = 108,440/x
3. Step 3: Cross multiply
   72,344x = 108,440 × 108,440
4. Step 4: Simplify right side
   72,344x = 11,759,233,600
5. Step 5: Solve for x
   x = 11,759,233,600/72,344
6. Step 6: Final answer
   x = 162,546.08