Finding the Third Proportional to 3,465,722 and 7,728,326

Step by Step Solution

1. Step 1: Write the proportion equation
   3,465,722 : 7,728,326 = 7,728,326 : x
2. Step 2: Convert to fraction form
   3,465,722/7,728,326 = 7,728,326/x
3. Step 3: Cross multiply
   3,465,722x = 7,728,326 × 7,728,326
4. Step 4: Simplify right side
   3,465,722x = 59,727,022,762,276
5. Step 5: Solve for x
   x = 59,727,022,762,276/3,465,722
6. Step 6: Final answer
   x = 17,233,645.04