Finding the Third Proportional to 598,920 and 897,457

Step by Step Solution

1. Step 1: Write the proportion equation
   598,920 : 897,457 = 897,457 : x
2. Step 2: Convert to fraction form
   598,920/897,457 = 897,457/x
3. Step 3: Cross multiply
   598,920x = 897,457 × 897,457
4. Step 4: Simplify right side
   598,920x = 805,429,066,849
5. Step 5: Solve for x
   x = 805,429,066,849/598,920
6. Step 6: Final answer
   x = 1,344,802.42