Finding the Third Proportional to 10,811.81 and 22,160.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,811.81 : 22,160.25 = 22,160.25 : x
2. Step 2: Convert to fraction form
   10,811.81/22,160.25 = 22,160.25/x
3. Step 3: Cross multiply
   10,811.81x = 22,160.25 × 22,160.25
4. Step 4: Simplify right side
   10,811.81x = 491,076,680.06
5. Step 5: Solve for x
   x = 491,076,680.06/10,811.81
6. Step 6: Final answer
   x = 45,420.38