Finding the Third Proportional to 3,722.06 and 8,742.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,722.06 : 8,742.94 = 8,742.94 : x
2. Step 2: Convert to fraction form
   3,722.06/8,742.94 = 8,742.94/x
3. Step 3: Cross multiply
   3,722.06x = 8,742.94 × 8,742.94
4. Step 4: Simplify right side
   3,722.06x = 76,438,956.13
5. Step 5: Solve for x
   x = 76,438,956.13/3,722.06
6. Step 6: Final answer
   x = 20,536.72