Finding the Third Proportional to 18,506.81 and 39,214.13

Step by Step Solution

1. Step 1: Write the proportion equation
   18,506.81 : 39,214.13 = 39,214.13 : x
2. Step 2: Convert to fraction form
   18,506.81/39,214.13 = 39,214.13/x
3. Step 3: Cross multiply
   18,506.81x = 39,214.13 × 39,214.13
4. Step 4: Simplify right side
   18,506.81x = 1,537,747,599.52
5. Step 5: Solve for x
   x = 1,537,747,599.52/18,506.81
6. Step 6: Final answer
   x = 83,090.89