Finding the Third Proportional to 1,821,336 and 2,737,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,336 : 2,737,872 = 2,737,872 : x
2. Step 2: Convert to fraction form
   1,821,336/2,737,872 = 2,737,872/x
3. Step 3: Cross multiply
   1,821,336x = 2,737,872 × 2,737,872
4. Step 4: Simplify right side
   1,821,336x = 7,495,943,088,384
5. Step 5: Solve for x
   x = 7,495,943,088,384/1,821,336
6. Step 6: Final answer
   x = 4,115,628.91