Finding the Third Proportional to 17,938.13 and 39,155.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,938.13 : 39,155.06 = 39,155.06 : x
2. Step 2: Convert to fraction form
   17,938.13/39,155.06 = 39,155.06/x
3. Step 3: Cross multiply
   17,938.13x = 39,155.06 × 39,155.06
4. Step 4: Simplify right side
   17,938.13x = 1,533,118,919.38
5. Step 5: Solve for x
   x = 1,533,118,919.38/17,938.13
6. Step 6: Final answer
   x = 85,467.07