Finding the Third Proportional to 9,015.47 and 19,618.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,015.47 : 19,618.24 = 19,618.24 : x
2. Step 2: Convert to fraction form
   9,015.47/19,618.24 = 19,618.24/x
3. Step 3: Cross multiply
   9,015.47x = 19,618.24 × 19,618.24
4. Step 4: Simplify right side
   9,015.47x = 384,875,426.53
5. Step 5: Solve for x
   x = 384,875,426.53/9,015.47
6. Step 6: Final answer
   x = 42,690.56