Finding the Third Proportional to 3,482,721 and 5,381,689

Step by Step Solution

1. Step 1: Write the proportion equation
   3,482,721 : 5,381,689 = 5,381,689 : x
2. Step 2: Convert to fraction form
   3,482,721/5,381,689 = 5,381,689/x
3. Step 3: Cross multiply
   3,482,721x = 5,381,689 × 5,381,689
4. Step 4: Simplify right side
   3,482,721x = 28,962,576,492,721
5. Step 5: Solve for x
   x = 28,962,576,492,721/3,482,721
6. Step 6: Final answer
   x = 8,316,077.14