Finding the Third Proportional to 3,609,956 and 5,415,638

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609,956 : 5,415,638 = 5,415,638 : x
2. Step 2: Convert to fraction form
   3,609,956/5,415,638 = 5,415,638/x
3. Step 3: Cross multiply
   3,609,956x = 5,415,638 × 5,415,638
4. Step 4: Simplify right side
   3,609,956x = 29,329,134,947,044
5. Step 5: Solve for x
   x = 29,329,134,947,044/3,609,956
6. Step 6: Final answer
   x = 8,124,513.14