Finding the Third Proportional to 39,679.24 and 85,432.54

Step by Step Solution

1. Step 1: Write the proportion equation
   39,679.24 : 85,432.54 = 85,432.54 : x
2. Step 2: Convert to fraction form
   39,679.24/85,432.54 = 85,432.54/x
3. Step 3: Cross multiply
   39,679.24x = 85,432.54 × 85,432.54
4. Step 4: Simplify right side
   39,679.24x = 7,298,718,063.22
5. Step 5: Solve for x
   x = 7,298,718,063.22/39,679.24
6. Step 6: Final answer
   x = 183,942.98