Finding the Third Proportional to 2,453,678 and 5,362,248

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453,678 : 5,362,248 = 5,362,248 : x
2. Step 2: Convert to fraction form
   2,453,678/5,362,248 = 5,362,248/x
3. Step 3: Cross multiply
   2,453,678x = 5,362,248 × 5,362,248
4. Step 4: Simplify right side
   2,453,678x = 28,753,703,613,504
5. Step 5: Solve for x
   x = 28,753,703,613,504/2,453,678
6. Step 6: Final answer
   x = 11,718,613.29