Finding the Third Proportional to 2,624,288.25 and 5,458,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624,288.25 : 5,458,021.50 = 5,458,021.50 : x
2. Step 2: Convert to fraction form
   2,624,288.25/5,458,021.50 = 5,458,021.50/x
3. Step 3: Cross multiply
   2,624,288.25x = 5,458,021.50 × 5,458,021.50
4. Step 4: Simplify right side
   2,624,288.25x = 29,789,998,694,462.25
5. Step 5: Solve for x
   x = 29,789,998,694,462.25/2,624,288.25
6. Step 6: Final answer
   x = 11,351,648.85