Finding the Third Proportional to 2,581,692 and 5,672,928

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,692 : 5,672,928 = 5,672,928 : x
2. Step 2: Convert to fraction form
   2,581,692/5,672,928 = 5,672,928/x
3. Step 3: Cross multiply
   2,581,692x = 5,672,928 × 5,672,928
4. Step 4: Simplify right side
   2,581,692x = 32,182,112,093,184
5. Step 5: Solve for x
   x = 32,182,112,093,184/2,581,692
6. Step 6: Final answer
   x = 12,465,511.80