Finding the Third Proportional to 17,934 and 39,406.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,934 : 39,406.50 = 39,406.50 : x
2. Step 2: Convert to fraction form
   17,934/39,406.50 = 39,406.50/x
3. Step 3: Cross multiply
   17,934x = 39,406.50 × 39,406.50
4. Step 4: Simplify right side
   17,934x = 1,552,872,242.25
5. Step 5: Solve for x
   x = 1,552,872,242.25/17,934
6. Step 6: Final answer
   x = 86,588.17