Finding the Third Proportional to 9,055.50 and 19,659

Step by Step Solution

1. Step 1: Write the proportion equation
   9,055.50 : 19,659 = 19,659 : x
2. Step 2: Convert to fraction form
   9,055.50/19,659 = 19,659/x
3. Step 3: Cross multiply
   9,055.50x = 19,659 × 19,659
4. Step 4: Simplify right side
   9,055.50x = 386,476,281
5. Step 5: Solve for x
   x = 386,476,281/9,055.50
6. Step 6: Final answer
   x = 42,678.62