Finding the Third Proportional to 30,538.69 and 40,246.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,538.69 : 40,246.88 = 40,246.88 : x
2. Step 2: Convert to fraction form
   30,538.69/40,246.88 = 40,246.88/x
3. Step 3: Cross multiply
   30,538.69x = 40,246.88 × 40,246.88
4. Step 4: Simplify right side
   30,538.69x = 1,619,810,947.27
5. Step 5: Solve for x
   x = 1,619,810,947.27/30,538.69
6. Step 6: Final answer
   x = 53,041.28