Finding the Third Proportional to 1,146,840 and 1,821,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,840 : 1,821,636 = 1,821,636 : x
2. Step 2: Convert to fraction form
   1,146,840/1,821,636 = 1,821,636/x
3. Step 3: Cross multiply
   1,146,840x = 1,821,636 × 1,821,636
4. Step 4: Simplify right side
   1,146,840x = 3,318,357,716,496
5. Step 5: Solve for x
   x = 3,318,357,716,496/1,146,840
6. Step 6: Final answer
   x = 2,893,479.23