Finding the Third Proportional to 3,680,406 and 5,586,831

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680,406 : 5,586,831 = 5,586,831 : x
2. Step 2: Convert to fraction form
   3,680,406/5,586,831 = 5,586,831/x
3. Step 3: Cross multiply
   3,680,406x = 5,586,831 × 5,586,831
4. Step 4: Simplify right side
   3,680,406x = 31,212,680,622,561
5. Step 5: Solve for x
   x = 31,212,680,622,561/3,680,406
6. Step 6: Final answer
   x = 8,480,771.04