Finding the Third Proportional to 9,480 and 20,116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,480 : 20,116.50 = 20,116.50 : x
2. Step 2: Convert to fraction form
   9,480/20,116.50 = 20,116.50/x
3. Step 3: Cross multiply
   9,480x = 20,116.50 × 20,116.50
4. Step 4: Simplify right side
   9,480x = 404,673,572.25
5. Step 5: Solve for x
   x = 404,673,572.25/9,480
6. Step 6: Final answer
   x = 42,687.09