Finding the Third Proportional to 35,257.50 and 52,890.75

Step by Step Solution

1. Step 1: Write the proportion equation
   35,257.50 : 52,890.75 = 52,890.75 : x
2. Step 2: Convert to fraction form
   35,257.50/52,890.75 = 52,890.75/x
3. Step 3: Cross multiply
   35,257.50x = 52,890.75 × 52,890.75
4. Step 4: Simplify right side
   35,257.50x = 2,797,431,435.56
5. Step 5: Solve for x
   x = 2,797,431,435.56/35,257.50
6. Step 6: Final answer
   x = 79,342.88