Finding the Third Proportional to 7,875.56 and 17,021.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,875.56 : 17,021.81 = 17,021.81 : x
2. Step 2: Convert to fraction form
   7,875.56/17,021.81 = 17,021.81/x
3. Step 3: Cross multiply
   7,875.56x = 17,021.81 × 17,021.81
4. Step 4: Simplify right side
   7,875.56x = 289,742,100.79
5. Step 5: Solve for x
   x = 289,742,100.79/7,875.56
6. Step 6: Final answer
   x = 36,790.02