Finding the Third Proportional to 18,566.72 and 40,246.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,566.72 : 40,246.88 = 40,246.88 : x
2. Step 2: Convert to fraction form
   18,566.72/40,246.88 = 40,246.88/x
3. Step 3: Cross multiply
   18,566.72x = 40,246.88 × 40,246.88
4. Step 4: Simplify right side
   18,566.72x = 1,619,810,947.27
5. Step 5: Solve for x
   x = 1,619,810,947.27/18,566.72
6. Step 6: Final answer
   x = 87,242.71