Finding the Third Proportional to 610,670 and 898,240

Step by Step Solution

1. Step 1: Write the proportion equation
   610,670 : 898,240 = 898,240 : x
2. Step 2: Convert to fraction form
   610,670/898,240 = 898,240/x
3. Step 3: Cross multiply
   610,670x = 898,240 × 898,240
4. Step 4: Simplify right side
   610,670x = 806,835,097,600
5. Step 5: Solve for x
   x = 806,835,097,600/610,670
6. Step 6: Final answer
   x = 1,321,229.30