Finding the Third Proportional to 912,644 and 1,418,747

Step by Step Solution

1. Step 1: Write the proportion equation
   912,644 : 1,418,747 = 1,418,747 : x
2. Step 2: Convert to fraction form
   912,644/1,418,747 = 1,418,747/x
3. Step 3: Cross multiply
   912,644x = 1,418,747 × 1,418,747
4. Step 4: Simplify right side
   912,644x = 2,012,843,050,009
5. Step 5: Solve for x
   x = 2,012,843,050,009/912,644
6. Step 6: Final answer
   x = 2,205,507.35