Finding the Third Proportional to 1,217,208 and 1,826,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,208 : 1,826,040 = 1,826,040 : x
2. Step 2: Convert to fraction form
   1,217,208/1,826,040 = 1,826,040/x
3. Step 3: Cross multiply
   1,217,208x = 1,826,040 × 1,826,040
4. Step 4: Simplify right side
   1,217,208x = 3,334,422,081,600
5. Step 5: Solve for x
   x = 3,334,422,081,600/1,217,208
6. Step 6: Final answer
   x = 2,739,402.04