Finding the Third Proportional to 20,409 and 43,264.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,409 : 43,264.50 = 43,264.50 : x
2. Step 2: Convert to fraction form
   20,409/43,264.50 = 43,264.50/x
3. Step 3: Cross multiply
   20,409x = 43,264.50 × 43,264.50
4. Step 4: Simplify right side
   20,409x = 1,871,816,960.25
5. Step 5: Solve for x
   x = 1,871,816,960.25/20,409
6. Step 6: Final answer
   x = 91,715.27