Finding the Third Proportional to 407,560 and 898,064

Step by Step Solution

1. Step 1: Write the proportion equation
   407,560 : 898,064 = 898,064 : x
2. Step 2: Convert to fraction form
   407,560/898,064 = 898,064/x
3. Step 3: Cross multiply
   407,560x = 898,064 × 898,064
4. Step 4: Simplify right side
   407,560x = 806,518,948,096
5. Step 5: Solve for x
   x = 806,518,948,096/407,560
6. Step 6: Final answer
   x = 1,978,896.23