Finding the Third Proportional to 598,920 and 897,457.50

Step by Step Solution

1. Step 1: Write the proportion equation
   598,920 : 897,457.50 = 897,457.50 : x
2. Step 2: Convert to fraction form
   598,920/897,457.50 = 897,457.50/x
3. Step 3: Cross multiply
   598,920x = 897,457.50 × 897,457.50
4. Step 4: Simplify right side
   598,920x = 805,429,964,306.25
5. Step 5: Solve for x
   x = 805,429,964,306.25/598,920
6. Step 6: Final answer
   x = 1,344,803.92