Finding the Third Proportional to 404,505 and 898,798.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,505 : 898,798.50 = 898,798.50 : x
2. Step 2: Convert to fraction form
   404,505/898,798.50 = 898,798.50/x
3. Step 3: Cross multiply
   404,505x = 898,798.50 × 898,798.50
4. Step 4: Simplify right side
   404,505x = 807,838,743,602.25
5. Step 5: Solve for x
   x = 807,838,743,602.25/404,505
6. Step 6: Final answer
   x = 1,997,104.47