Finding the Third Proportional to 2,131.52 and 4,614.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.52 : 4,614.89 = 4,614.89 : x
2. Step 2: Convert to fraction form
   2,131.52/4,614.89 = 4,614.89/x
3. Step 3: Cross multiply
   2,131.52x = 4,614.89 × 4,614.89
4. Step 4: Simplify right side
   2,131.52x = 21,297,215.48
5. Step 5: Solve for x
   x = 21,297,215.48/2,131.52
6. Step 6: Final answer
   x = 9,991.55