Finding the Third Proportional to 610,435.50 and 898,005

Step by Step Solution

1. Step 1: Write the proportion equation
   610,435.50 : 898,005 = 898,005 : x
2. Step 2: Convert to fraction form
   610,435.50/898,005 = 898,005/x
3. Step 3: Cross multiply
   610,435.50x = 898,005 × 898,005
4. Step 4: Simplify right side
   610,435.50x = 806,412,980,025
5. Step 5: Solve for x
   x = 806,412,980,025/610,435.50
6. Step 6: Final answer
   x = 1,321,045.35