Finding the Third Proportional to 21,028.78 and 35,047.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,028.78 : 35,047.69 = 35,047.69 : x
2. Step 2: Convert to fraction form
   21,028.78/35,047.69 = 35,047.69/x
3. Step 3: Cross multiply
   21,028.78x = 35,047.69 × 35,047.69
4. Step 4: Simplify right side
   21,028.78x = 1,228,340,399.10
5. Step 5: Solve for x
   x = 1,228,340,399.10/21,028.78
6. Step 6: Final answer
   x = 58,412.34