Finding the Third Proportional to 3,692,638 and 5,419,140

Step by Step Solution

1. Step 1: Write the proportion equation
   3,692,638 : 5,419,140 = 5,419,140 : x
2. Step 2: Convert to fraction form
   3,692,638/5,419,140 = 5,419,140/x
3. Step 3: Cross multiply
   3,692,638x = 5,419,140 × 5,419,140
4. Step 4: Simplify right side
   3,692,638x = 29,367,078,339,600
5. Step 5: Solve for x
   x = 29,367,078,339,600/3,692,638
6. Step 6: Final answer
   x = 7,952,872.27