Finding the Third Proportional to 3,890,616 and 5,820,372

Step by Step Solution

1. Step 1: Write the proportion equation
   3,890,616 : 5,820,372 = 5,820,372 : x
2. Step 2: Convert to fraction form
   3,890,616/5,820,372 = 5,820,372/x
3. Step 3: Cross multiply
   3,890,616x = 5,820,372 × 5,820,372
4. Step 4: Simplify right side
   3,890,616x = 33,876,730,218,384
5. Step 5: Solve for x
   x = 33,876,730,218,384/3,890,616
6. Step 6: Final answer
   x = 8,707,292.17