Finding the Third Proportional to 85,847.34 and 131,323.78

Step by Step Solution

1. Step 1: Write the proportion equation
   85,847.34 : 131,323.78 = 131,323.78 : x
2. Step 2: Convert to fraction form
   85,847.34/131,323.78 = 131,323.78/x
3. Step 3: Cross multiply
   85,847.34x = 131,323.78 × 131,323.78
4. Step 4: Simplify right side
   85,847.34x = 17,245,935,521.80
5. Step 5: Solve for x
   x = 17,245,935,521.80/85,847.34
6. Step 6: Final answer
   x = 200,890.73