Finding the Third Proportional to 2,208,892.78 and 3,240,621.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208,892.78 : 3,240,621.42 = 3,240,621.42 : x
2. Step 2: Convert to fraction form
   2,208,892.78/3,240,621.42 = 3,240,621.42/x
3. Step 3: Cross multiply
   2,208,892.78x = 3,240,621.42 × 3,240,621.42
4. Step 4: Simplify right side
   2,208,892.78x = 10,501,627,199,915.15
5. Step 5: Solve for x
   x = 10,501,627,199,915.15/2,208,892.78
6. Step 6: Final answer
   x = 4,754,249.41