Finding the Third Proportional to 2,163,876 and 3,368,274

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,876 : 3,368,274 = 3,368,274 : x
2. Step 2: Convert to fraction form
   2,163,876/3,368,274 = 3,368,274/x
3. Step 3: Cross multiply
   2,163,876x = 3,368,274 × 3,368,274
4. Step 4: Simplify right side
   2,163,876x = 11,345,269,739,076
5. Step 5: Solve for x
   x = 11,345,269,739,076/2,163,876
6. Step 6: Final answer
   x = 5,243,031.37