Finding the Third Proportional to 414,844 and 910,040

Step by Step Solution

1. Step 1: Write the proportion equation
   414,844 : 910,040 = 910,040 : x
2. Step 2: Convert to fraction form
   414,844/910,040 = 910,040/x
3. Step 3: Cross multiply
   414,844x = 910,040 × 910,040
4. Step 4: Simplify right side
   414,844x = 828,172,801,600
5. Step 5: Solve for x
   x = 828,172,801,600/414,844
6. Step 6: Final answer
   x = 1,996,347.55