Finding the Third Proportional to 1,821,293 and 2,672,890

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,293 : 2,672,890 = 2,672,890 : x
2. Step 2: Convert to fraction form
   1,821,293/2,672,890 = 2,672,890/x
3. Step 3: Cross multiply
   1,821,293x = 2,672,890 × 2,672,890
4. Step 4: Simplify right side
   1,821,293x = 7,144,340,952,100
5. Step 5: Solve for x
   x = 7,144,340,952,100/1,821,293
6. Step 6: Final answer
   x = 3,922,675.24