Finding the Third Proportional to 396,814.50 and 881,910

Step by Step Solution

1. Step 1: Write the proportion equation
   396,814.50 : 881,910 = 881,910 : x
2. Step 2: Convert to fraction form
   396,814.50/881,910 = 881,910/x
3. Step 3: Cross multiply
   396,814.50x = 881,910 × 881,910
4. Step 4: Simplify right side
   396,814.50x = 777,765,248,100
5. Step 5: Solve for x
   x = 777,765,248,100/396,814.50
6. Step 6: Final answer
   x = 1,960,022.25