Finding the Third Proportional to 325,417.50 and 675,432

Step by Step Solution

1. Step 1: Write the proportion equation
   325,417.50 : 675,432 = 675,432 : x
2. Step 2: Convert to fraction form
   325,417.50/675,432 = 675,432/x
3. Step 3: Cross multiply
   325,417.50x = 675,432 × 675,432
4. Step 4: Simplify right side
   325,417.50x = 456,208,386,624
5. Step 5: Solve for x
   x = 456,208,386,624/325,417.50
6. Step 6: Final answer
   x = 1,401,917.19