Finding the Third Proportional to 38,956.50 and 84,143.25

Step by Step Solution

1. Step 1: Write the proportion equation
   38,956.50 : 84,143.25 = 84,143.25 : x
2. Step 2: Convert to fraction form
   38,956.50/84,143.25 = 84,143.25/x
3. Step 3: Cross multiply
   38,956.50x = 84,143.25 × 84,143.25
4. Step 4: Simplify right side
   38,956.50x = 7,080,086,520.56
5. Step 5: Solve for x
   x = 7,080,086,520.56/38,956.50
6. Step 6: Final answer
   x = 181,743.39