Finding the Third Proportional to 4,259,744.72 and 9,169,028.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,259,744.72 : 9,169,028.72 = 9,169,028.72 : x
2. Step 2: Convert to fraction form
   4,259,744.72/9,169,028.72 = 9,169,028.72/x
3. Step 3: Cross multiply
   4,259,744.72x = 9,169,028.72 × 9,169,028.72
4. Step 4: Simplify right side
   4,259,744.72x = 84,071,087,645,262.27
5. Step 5: Solve for x
   x = 84,071,087,645,262.27/4,259,744.72
6. Step 6: Final answer
   x = 19,736,179.79