Finding the Third Proportional to 72,472 and 153,672

Step by Step Solution

1. Step 1: Write the proportion equation
   72,472 : 153,672 = 153,672 : x
2. Step 2: Convert to fraction form
   72,472/153,672 = 153,672/x
3. Step 3: Cross multiply
   72,472x = 153,672 × 153,672
4. Step 4: Simplify right side
   72,472x = 23,615,083,584
5. Step 5: Solve for x
   x = 23,615,083,584/72,472
6. Step 6: Final answer
   x = 325,851.14