Finding the Third Proportional to 1,221,038 and 2,685,682

Step by Step Solution

1. Step 1: Write the proportion equation
   1,221,038 : 2,685,682 = 2,685,682 : x
2. Step 2: Convert to fraction form
   1,221,038/2,685,682 = 2,685,682/x
3. Step 3: Cross multiply
   1,221,038x = 2,685,682 × 2,685,682
4. Step 4: Simplify right side
   1,221,038x = 7,212,887,805,124
5. Step 5: Solve for x
   x = 7,212,887,805,124/1,221,038
6. Step 6: Final answer
   x = 5,907,177.18