Finding the Third Proportional to 1,238,674 and 1,810,214

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,674 : 1,810,214 = 1,810,214 : x
2. Step 2: Convert to fraction form
   1,238,674/1,810,214 = 1,810,214/x
3. Step 3: Cross multiply
   1,238,674x = 1,810,214 × 1,810,214
4. Step 4: Simplify right side
   1,238,674x = 3,276,874,725,796
5. Step 5: Solve for x
   x = 3,276,874,725,796/1,238,674
6. Step 6: Final answer
   x = 2,645,469.85