Finding the Third Proportional to 18,470.25 and 40,630.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,470.25 : 40,630.50 = 40,630.50 : x
2. Step 2: Convert to fraction form
   18,470.25/40,630.50 = 40,630.50/x
3. Step 3: Cross multiply
   18,470.25x = 40,630.50 × 40,630.50
4. Step 4: Simplify right side
   18,470.25x = 1,650,837,530.25
5. Step 5: Solve for x
   x = 1,650,837,530.25/18,470.25
6. Step 6: Final answer
   x = 89,378.19