Finding the Third Proportional to 1,109,576 and 1,643,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,576 : 1,643,628 = 1,643,628 : x
2. Step 2: Convert to fraction form
   1,109,576/1,643,628 = 1,643,628/x
3. Step 3: Cross multiply
   1,109,576x = 1,643,628 × 1,643,628
4. Step 4: Simplify right side
   1,109,576x = 2,701,513,002,384
5. Step 5: Solve for x
   x = 2,701,513,002,384/1,109,576
6. Step 6: Final answer
   x = 2,434,725.52