Finding the Third Proportional to 610,540 and 897,516

Step by Step Solution

1. Step 1: Write the proportion equation
   610,540 : 897,516 = 897,516 : x
2. Step 2: Convert to fraction form
   610,540/897,516 = 897,516/x
3. Step 3: Cross multiply
   610,540x = 897,516 × 897,516
4. Step 4: Simplify right side
   610,540x = 805,534,970,256
5. Step 5: Solve for x
   x = 805,534,970,256/610,540
6. Step 6: Final answer
   x = 1,319,381.15