Finding the Third Proportional to 28,372.78 and 61,993.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,372.78 : 61,993.69 = 61,993.69 : x
2. Step 2: Convert to fraction form
   28,372.78/61,993.69 = 61,993.69/x
3. Step 3: Cross multiply
   28,372.78x = 61,993.69 × 61,993.69
4. Step 4: Simplify right side
   28,372.78x = 3,843,217,289.85
5. Step 5: Solve for x
   x = 3,843,217,289.85/28,372.78
6. Step 6: Final answer
   x = 135,454.37