Finding the Third Proportional to 3,074,634 and 7,117,929

Step by Step Solution

1. Step 1: Write the proportion equation
   3,074,634 : 7,117,929 = 7,117,929 : x
2. Step 2: Convert to fraction form
   3,074,634/7,117,929 = 7,117,929/x
3. Step 3: Cross multiply
   3,074,634x = 7,117,929 × 7,117,929
4. Step 4: Simplify right side
   3,074,634x = 50,664,913,249,041
5. Step 5: Solve for x
   x = 50,664,913,249,041/3,074,634
6. Step 6: Final answer
   x = 16,478,355.88