Finding the Third Proportional to 3,448,674 and 8,129,486

Step by Step Solution

1. Step 1: Write the proportion equation
   3,448,674 : 8,129,486 = 8,129,486 : x
2. Step 2: Convert to fraction form
   3,448,674/8,129,486 = 8,129,486/x
3. Step 3: Cross multiply
   3,448,674x = 8,129,486 × 8,129,486
4. Step 4: Simplify right side
   3,448,674x = 66,088,542,624,196
5. Step 5: Solve for x
   x = 66,088,542,624,196/3,448,674
6. Step 6: Final answer
   x = 19,163,464.75