Finding the Third Proportional to 1,821,246 and 2,672,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,246 : 2,672,820 = 2,672,820 : x
2. Step 2: Convert to fraction form
   1,821,246/2,672,820 = 2,672,820/x
3. Step 3: Cross multiply
   1,821,246x = 2,672,820 × 2,672,820
4. Step 4: Simplify right side
   1,821,246x = 7,143,966,752,400
5. Step 5: Solve for x
   x = 7,143,966,752,400/1,821,246
6. Step 6: Final answer
   x = 3,922,571.00