Finding the Third Proportional to 1,215,936 and 2,645,928

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,936 : 2,645,928 = 2,645,928 : x
2. Step 2: Convert to fraction form
   1,215,936/2,645,928 = 2,645,928/x
3. Step 3: Cross multiply
   1,215,936x = 2,645,928 × 2,645,928
4. Step 4: Simplify right side
   1,215,936x = 7,000,934,981,184
5. Step 5: Solve for x
   x = 7,000,934,981,184/1,215,936
6. Step 6: Final answer
   x = 5,757,650.88