Finding the Third Proportional to 610,440 and 898,012

Step by Step Solution

1. Step 1: Write the proportion equation
   610,440 : 898,012 = 898,012 : x
2. Step 2: Convert to fraction form
   610,440/898,012 = 898,012/x
3. Step 3: Cross multiply
   610,440x = 898,012 × 898,012
4. Step 4: Simplify right side
   610,440x = 806,425,552,144
5. Step 5: Solve for x
   x = 806,425,552,144/610,440
6. Step 6: Final answer
   x = 1,321,056.21