Finding the Third Proportional to 10,136.39 and 21,983.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,136.39 : 21,983.91 = 21,983.91 : x
2. Step 2: Convert to fraction form
   10,136.39/21,983.91 = 21,983.91/x
3. Step 3: Cross multiply
   10,136.39x = 21,983.91 × 21,983.91
4. Step 4: Simplify right side
   10,136.39x = 483,292,134.01
5. Step 5: Solve for x
   x = 483,292,134.01/10,136.39
6. Step 6: Final answer
   x = 47,678.92