Finding the Third Proportional to 18,223.31 and 39,214.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,223.31 : 39,214.69 = 39,214.69 : x
2. Step 2: Convert to fraction form
   18,223.31/39,214.69 = 39,214.69/x
3. Step 3: Cross multiply
   18,223.31x = 39,214.69 × 39,214.69
4. Step 4: Simplify right side
   18,223.31x = 1,537,791,715.72
5. Step 5: Solve for x
   x = 1,537,791,715.72/18,223.31
6. Step 6: Final answer
   x = 84,385.96