Finding the Third Proportional to 1,207,218 and 1,810,974

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,218 : 1,810,974 = 1,810,974 : x
2. Step 2: Convert to fraction form
   1,207,218/1,810,974 = 1,810,974/x
3. Step 3: Cross multiply
   1,207,218x = 1,810,974 × 1,810,974
4. Step 4: Simplify right side
   1,207,218x = 3,279,626,828,676
5. Step 5: Solve for x
   x = 3,279,626,828,676/1,207,218
6. Step 6: Final answer
   x = 2,716,681.52