Finding the Third Proportional to 325,584 and 697,890

Step by Step Solution

1. Step 1: Write the proportion equation
   325,584 : 697,890 = 697,890 : x
2. Step 2: Convert to fraction form
   325,584/697,890 = 697,890/x
3. Step 3: Cross multiply
   325,584x = 697,890 × 697,890
4. Step 4: Simplify right side
   325,584x = 487,050,452,100
5. Step 5: Solve for x
   x = 487,050,452,100/325,584
6. Step 6: Final answer
   x = 1,495,928.71