Finding the Third Proportional to 28,372 and 39,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,372 : 39,757.50 = 39,757.50 : x
2. Step 2: Convert to fraction form
   28,372/39,757.50 = 39,757.50/x
3. Step 3: Cross multiply
   28,372x = 39,757.50 × 39,757.50
4. Step 4: Simplify right side
   28,372x = 1,580,658,806.25
5. Step 5: Solve for x
   x = 1,580,658,806.25/28,372
6. Step 6: Final answer
   x = 55,711.93