Finding the Third Proportional to 3,890,624 and 5,820,384

Step by Step Solution

1. Step 1: Write the proportion equation
   3,890,624 : 5,820,384 = 5,820,384 : x
2. Step 2: Convert to fraction form
   3,890,624/5,820,384 = 5,820,384/x
3. Step 3: Cross multiply
   3,890,624x = 5,820,384 × 5,820,384
4. Step 4: Simplify right side
   3,890,624x = 33,876,869,907,456
5. Step 5: Solve for x
   x = 33,876,869,907,456/3,890,624
6. Step 6: Final answer
   x = 8,707,310.17