Finding the Third Proportional to 18,564.19 and 43,778.81

Step by Step Solution

1. Step 1: Write the proportion equation
   18,564.19 : 43,778.81 = 43,778.81 : x
2. Step 2: Convert to fraction form
   18,564.19/43,778.81 = 43,778.81/x
3. Step 3: Cross multiply
   18,564.19x = 43,778.81 × 43,778.81
4. Step 4: Simplify right side
   18,564.19x = 1,916,584,423.91
5. Step 5: Solve for x
   x = 1,916,584,423.91/18,564.19
6. Step 6: Final answer
   x = 103,240.95