Finding the Third Proportional to 325,581 and 697,885.50

Step by Step Solution

1. Step 1: Write the proportion equation
   325,581 : 697,885.50 = 697,885.50 : x
2. Step 2: Convert to fraction form
   325,581/697,885.50 = 697,885.50/x
3. Step 3: Cross multiply
   325,581x = 697,885.50 × 697,885.50
4. Step 4: Simplify right side
   325,581x = 487,044,171,110.25
5. Step 5: Solve for x
   x = 487,044,171,110.25/325,581
6. Step 6: Final answer
   x = 1,495,923.20