Finding the Third Proportional to 19,382.63 and 40,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,382.63 : 40,405.50 = 40,405.50 : x
2. Step 2: Convert to fraction form
   19,382.63/40,405.50 = 40,405.50/x
3. Step 3: Cross multiply
   19,382.63x = 40,405.50 × 40,405.50
4. Step 4: Simplify right side
   19,382.63x = 1,632,604,430.25
5. Step 5: Solve for x
   x = 1,632,604,430.25/19,382.63
6. Step 6: Final answer
   x = 84,230.31