Finding the Third Proportional to 10,847.81 and 21,997.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,847.81 : 21,997.69 = 21,997.69 : x
2. Step 2: Convert to fraction form
   10,847.81/21,997.69 = 21,997.69/x
3. Step 3: Cross multiply
   10,847.81x = 21,997.69 × 21,997.69
4. Step 4: Simplify right side
   10,847.81x = 483,898,255.35
5. Step 5: Solve for x
   x = 483,898,255.35/10,847.81
6. Step 6: Final answer
   x = 44,607.91