Finding the Third Proportional to 3,171,740 and 5,106,984

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,740 : 5,106,984 = 5,106,984 : x
2. Step 2: Convert to fraction form
   3,171,740/5,106,984 = 5,106,984/x
3. Step 3: Cross multiply
   3,171,740x = 5,106,984 × 5,106,984
4. Step 4: Simplify right side
   3,171,740x = 26,081,285,576,256
5. Step 5: Solve for x
   x = 26,081,285,576,256/3,171,740
6. Step 6: Final answer
   x = 8,223,021.30