Finding the Third Proportional to 1,036,806 and 1,555,209

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,806 : 1,555,209 = 1,555,209 : x
2. Step 2: Convert to fraction form
   1,036,806/1,555,209 = 1,555,209/x
3. Step 3: Cross multiply
   1,036,806x = 1,555,209 × 1,555,209
4. Step 4: Simplify right side
   1,036,806x = 2,418,675,033,681
5. Step 5: Solve for x
   x = 2,418,675,033,681/1,036,806
6. Step 6: Final answer
   x = 2,332,813.50