Finding the Third Proportional to 38,667.38 and 81,911.25

Step by Step Solution

1. Step 1: Write the proportion equation
   38,667.38 : 81,911.25 = 81,911.25 : x
2. Step 2: Convert to fraction form
   38,667.38/81,911.25 = 81,911.25/x
3. Step 3: Cross multiply
   38,667.38x = 81,911.25 × 81,911.25
4. Step 4: Simplify right side
   38,667.38x = 6,709,452,876.56
5. Step 5: Solve for x
   x = 6,709,452,876.56/38,667.38
6. Step 6: Final answer
   x = 173,517.15