Finding the Third Proportional to 2,926.50 and 3,972.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,926.50 : 3,972.75 = 3,972.75 : x
2. Step 2: Convert to fraction form
   2,926.50/3,972.75 = 3,972.75/x
3. Step 3: Cross multiply
   2,926.50x = 3,972.75 × 3,972.75
4. Step 4: Simplify right side
   2,926.50x = 15,782,742.56
5. Step 5: Solve for x
   x = 15,782,742.56/2,926.50
6. Step 6: Final answer
   x = 5,393.04