Finding the Third Proportional to 400,221 and 884,459.25

Step by Step Solution

1. Step 1: Write the proportion equation
   400,221 : 884,459.25 = 884,459.25 : x
2. Step 2: Convert to fraction form
   400,221/884,459.25 = 884,459.25/x
3. Step 3: Cross multiply
   400,221x = 884,459.25 × 884,459.25
4. Step 4: Simplify right side
   400,221x = 782,268,164,910.56
5. Step 5: Solve for x
   x = 782,268,164,910.56/400,221
6. Step 6: Final answer
   x = 1,954,590.50