Finding the Third Proportional to 1,238,626 and 1,810,146

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,626 : 1,810,146 = 1,810,146 : x
2. Step 2: Convert to fraction form
   1,238,626/1,810,146 = 1,810,146/x
3. Step 3: Cross multiply
   1,238,626x = 1,810,146 × 1,810,146
4. Step 4: Simplify right side
   1,238,626x = 3,276,628,541,316
5. Step 5: Solve for x
   x = 3,276,628,541,316/1,238,626
6. Step 6: Final answer
   x = 2,645,373.62