Finding the Third Proportional to 72,454 and 153,628

Step by Step Solution

1. Step 1: Write the proportion equation
   72,454 : 153,628 = 153,628 : x
2. Step 2: Convert to fraction form
   72,454/153,628 = 153,628/x
3. Step 3: Cross multiply
   72,454x = 153,628 × 153,628
4. Step 4: Simplify right side
   72,454x = 23,601,562,384
5. Step 5: Solve for x
   x = 23,601,562,384/72,454
6. Step 6: Final answer
   x = 325,745.47