Finding the Third Proportional to 3,315,780 and 5,272,599

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315,780 : 5,272,599 = 5,272,599 : x
2. Step 2: Convert to fraction form
   3,315,780/5,272,599 = 5,272,599/x
3. Step 3: Cross multiply
   3,315,780x = 5,272,599 × 5,272,599
4. Step 4: Simplify right side
   3,315,780x = 27,800,300,214,801
5. Step 5: Solve for x
   x = 27,800,300,214,801/3,315,780
6. Step 6: Final answer
   x = 8,384,241.48