Finding the Third Proportional to 661,896 and 1,428,747

Step by Step Solution

1. Step 1: Write the proportion equation
   661,896 : 1,428,747 = 1,428,747 : x
2. Step 2: Convert to fraction form
   661,896/1,428,747 = 1,428,747/x
3. Step 3: Cross multiply
   661,896x = 1,428,747 × 1,428,747
4. Step 4: Simplify right side
   661,896x = 2,041,317,990,009
5. Step 5: Solve for x
   x = 2,041,317,990,009/661,896
6. Step 6: Final answer
   x = 3,084,046.42