Finding the Third Proportional to 1,226,116 and 1,821,674

Step by Step Solution

1. Step 1: Write the proportion equation
   1,226,116 : 1,821,674 = 1,821,674 : x
2. Step 2: Convert to fraction form
   1,226,116/1,821,674 = 1,821,674/x
3. Step 3: Cross multiply
   1,226,116x = 1,821,674 × 1,821,674
4. Step 4: Simplify right side
   1,226,116x = 3,318,496,162,276
5. Step 5: Solve for x
   x = 3,318,496,162,276/1,226,116
6. Step 6: Final answer
   x = 2,706,510.77