Finding the Third Proportional to 17,842.50 and 38,865

Step by Step Solution

1. Step 1: Write the proportion equation
   17,842.50 : 38,865 = 38,865 : x
2. Step 2: Convert to fraction form
   17,842.50/38,865 = 38,865/x
3. Step 3: Cross multiply
   17,842.50x = 38,865 × 38,865
4. Step 4: Simplify right side
   17,842.50x = 1,510,488,225
5. Step 5: Solve for x
   x = 1,510,488,225/17,842.50
6. Step 6: Final answer
   x = 84,656.76