Finding the Third Proportional to 38,859.75 and 85,116.38

Step by Step Solution

1. Step 1: Write the proportion equation
   38,859.75 : 85,116.38 = 85,116.38 : x
2. Step 2: Convert to fraction form
   38,859.75/85,116.38 = 85,116.38/x
3. Step 3: Cross multiply
   38,859.75x = 85,116.38 × 85,116.38
4. Step 4: Simplify right side
   38,859.75x = 7,244,797,293.14
5. Step 5: Solve for x
   x = 7,244,797,293.14/38,859.75
6. Step 6: Final answer
   x = 186,434.48