Finding the Third Proportional to 1,426,476 and 2,215,908

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,476 : 2,215,908 = 2,215,908 : x
2. Step 2: Convert to fraction form
   1,426,476/2,215,908 = 2,215,908/x
3. Step 3: Cross multiply
   1,426,476x = 2,215,908 × 2,215,908
4. Step 4: Simplify right side
   1,426,476x = 4,910,248,264,464
5. Step 5: Solve for x
   x = 4,910,248,264,464/1,426,476
6. Step 6: Final answer
   x = 3,442,222.84