Finding the Third Proportional to 2,311,578 and 3,681,419

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311,578 : 3,681,419 = 3,681,419 : x
2. Step 2: Convert to fraction form
   2,311,578/3,681,419 = 3,681,419/x
3. Step 3: Cross multiply
   2,311,578x = 3,681,419 × 3,681,419
4. Step 4: Simplify right side
   2,311,578x = 13,552,845,853,561
5. Step 5: Solve for x
   x = 13,552,845,853,561/2,311,578
6. Step 6: Final answer
   x = 5,863,027.70