Finding the Third Proportional to 917,844 and 1,988,204

Step by Step Solution

1. Step 1: Write the proportion equation
   917,844 : 1,988,204 = 1,988,204 : x
2. Step 2: Convert to fraction form
   917,844/1,988,204 = 1,988,204/x
3. Step 3: Cross multiply
   917,844x = 1,988,204 × 1,988,204
4. Step 4: Simplify right side
   917,844x = 3,952,955,145,616
5. Step 5: Solve for x
   x = 3,952,955,145,616/917,844
6. Step 6: Final answer
   x = 4,306,783.23