Finding the Third Proportional to 2,650,377 and 5,821,428

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650,377 : 5,821,428 = 5,821,428 : x
2. Step 2: Convert to fraction form
   2,650,377/5,821,428 = 5,821,428/x
3. Step 3: Cross multiply
   2,650,377x = 5,821,428 × 5,821,428
4. Step 4: Simplify right side
   2,650,377x = 33,889,023,959,184
5. Step 5: Solve for x
   x = 33,889,023,959,184/2,650,377
6. Step 6: Final answer
   x = 12,786,491.87