Finding the Third Proportional to 4,256,727 and 9,458,238

Step by Step Solution

1. Step 1: Write the proportion equation
   4,256,727 : 9,458,238 = 9,458,238 : x
2. Step 2: Convert to fraction form
   4,256,727/9,458,238 = 9,458,238/x
3. Step 3: Cross multiply
   4,256,727x = 9,458,238 × 9,458,238
4. Step 4: Simplify right side
   4,256,727x = 89,458,266,064,644
5. Step 5: Solve for x
   x = 89,458,266,064,644/4,256,727
6. Step 6: Final answer
   x = 21,015,739.57