Finding the Third Proportional to 3,315,784 and 5,272,606

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315,784 : 5,272,606 = 5,272,606 : x
2. Step 2: Convert to fraction form
   3,315,784/5,272,606 = 5,272,606/x
3. Step 3: Cross multiply
   3,315,784x = 5,272,606 × 5,272,606
4. Step 4: Simplify right side
   3,315,784x = 27,800,374,031,236
5. Step 5: Solve for x
   x = 27,800,374,031,236/3,315,784
6. Step 6: Final answer
   x = 8,384,253.63