Finding the Third Proportional to 9,110.25 and 19,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,110.25 : 19,618.50 = 19,618.50 : x
2. Step 2: Convert to fraction form
   9,110.25/19,618.50 = 19,618.50/x
3. Step 3: Cross multiply
   9,110.25x = 19,618.50 × 19,618.50
4. Step 4: Simplify right side
   9,110.25x = 384,885,542.25
5. Step 5: Solve for x
   x = 384,885,542.25/9,110.25
6. Step 6: Final answer
   x = 42,247.53