Finding the Third Proportional to 8,155.69 and 16,918.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,155.69 : 16,918.88 = 16,918.88 : x
2. Step 2: Convert to fraction form
   8,155.69/16,918.88 = 16,918.88/x
3. Step 3: Cross multiply
   8,155.69x = 16,918.88 × 16,918.88
4. Step 4: Simplify right side
   8,155.69x = 286,248,331.27
5. Step 5: Solve for x
   x = 286,248,331.27/8,155.69
6. Step 6: Final answer
   x = 35,098.00