Finding the Third Proportional to 2,248,866 and 3,478,392

Step by Step Solution

1. Step 1: Write the proportion equation
   2,248,866 : 3,478,392 = 3,478,392 : x
2. Step 2: Convert to fraction form
   2,248,866/3,478,392 = 3,478,392/x
3. Step 3: Cross multiply
   2,248,866x = 3,478,392 × 3,478,392
4. Step 4: Simplify right side
   2,248,866x = 12,099,210,905,664
5. Step 5: Solve for x
   x = 12,099,210,905,664/2,248,866
6. Step 6: Final answer
   x = 5,380,138.66