Finding the Third Proportional to 38,805.56 and 85,231.31

Step by Step Solution

1. Step 1: Write the proportion equation
   38,805.56 : 85,231.31 = 85,231.31 : x
2. Step 2: Convert to fraction form
   38,805.56/85,231.31 = 85,231.31/x
3. Step 3: Cross multiply
   38,805.56x = 85,231.31 × 85,231.31
4. Step 4: Simplify right side
   38,805.56x = 7,264,376,630.47
5. Step 5: Solve for x
   x = 7,264,376,630.47/38,805.56
6. Step 6: Final answer
   x = 187,199.36