Finding the Third Proportional to 147,760 and 325,040

Step by Step Solution

1. Step 1: Write the proportion equation
   147,760 : 325,040 = 325,040 : x
2. Step 2: Convert to fraction form
   147,760/325,040 = 325,040/x
3. Step 3: Cross multiply
   147,760x = 325,040 × 325,040
4. Step 4: Simplify right side
   147,760x = 105,651,001,600
5. Step 5: Solve for x
   x = 105,651,001,600/147,760
6. Step 6: Final answer
   x = 715,017.61