Finding the Third Proportional to 1,821,293 and 2,672,889

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,293 : 2,672,889 = 2,672,889 : x
2. Step 2: Convert to fraction form
   1,821,293/2,672,889 = 2,672,889/x
3. Step 3: Cross multiply
   1,821,293x = 2,672,889 × 2,672,889
4. Step 4: Simplify right side
   1,821,293x = 7,144,335,606,321
5. Step 5: Solve for x
   x = 7,144,335,606,321/1,821,293
6. Step 6: Final answer
   x = 3,922,672.30