Finding the Third Proportional to 18,479 and 40,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,479 : 40,501.50 = 40,501.50 : x
2. Step 2: Convert to fraction form
   18,479/40,501.50 = 40,501.50/x
3. Step 3: Cross multiply
   18,479x = 40,501.50 × 40,501.50
4. Step 4: Simplify right side
   18,479x = 1,640,371,502.25
5. Step 5: Solve for x
   x = 1,640,371,502.25/18,479
6. Step 6: Final answer
   x = 88,769.50