Finding the Third Proportional to 3,386,466 and 5,187,591

Step by Step Solution

1. Step 1: Write the proportion equation
   3,386,466 : 5,187,591 = 5,187,591 : x
2. Step 2: Convert to fraction form
   3,386,466/5,187,591 = 5,187,591/x
3. Step 3: Cross multiply
   3,386,466x = 5,187,591 × 5,187,591
4. Step 4: Simplify right side
   3,386,466x = 26,911,100,383,281
5. Step 5: Solve for x
   x = 26,911,100,383,281/3,386,466
6. Step 6: Final answer
   x = 7,946,661.91