Finding the Third Proportional to 6,396,705 and 9,147,357

Step by Step Solution

1. Step 1: Write the proportion equation
   6,396,705 : 9,147,357 = 9,147,357 : x
2. Step 2: Convert to fraction form
   6,396,705/9,147,357 = 9,147,357/x
3. Step 3: Cross multiply
   6,396,705x = 9,147,357 × 9,147,357
4. Step 4: Simplify right side
   6,396,705x = 83,674,140,085,449
5. Step 5: Solve for x
   x = 83,674,140,085,449/6,396,705
6. Step 6: Final answer
   x = 13,080,818.97