Finding the Third Proportional to 610,908 and 898,054

Step by Step Solution

1. Step 1: Write the proportion equation
   610,908 : 898,054 = 898,054 : x
2. Step 2: Convert to fraction form
   610,908/898,054 = 898,054/x
3. Step 3: Cross multiply
   610,908x = 898,054 × 898,054
4. Step 4: Simplify right side
   610,908x = 806,500,986,916
5. Step 5: Solve for x
   x = 806,500,986,916/610,908
6. Step 6: Final answer
   x = 1,320,167.66