Finding the Third Proportional to 2,078,421 and 4,856,131

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078,421 : 4,856,131 = 4,856,131 : x
2. Step 2: Convert to fraction form
   2,078,421/4,856,131 = 4,856,131/x
3. Step 3: Cross multiply
   2,078,421x = 4,856,131 × 4,856,131
4. Step 4: Simplify right side
   2,078,421x = 23,582,008,289,161
5. Step 5: Solve for x
   x = 23,582,008,289,161/2,078,421
6. Step 6: Final answer
   x = 11,346,117.22