Finding the Third Proportional to 1,234,648 and 1,855,259

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234,648 : 1,855,259 = 1,855,259 : x
2. Step 2: Convert to fraction form
   1,234,648/1,855,259 = 1,855,259/x
3. Step 3: Cross multiply
   1,234,648x = 1,855,259 × 1,855,259
4. Step 4: Simplify right side
   1,234,648x = 3,441,985,957,081
5. Step 5: Solve for x
   x = 3,441,985,957,081/1,234,648
6. Step 6: Final answer
   x = 2,787,827.75