Finding the Third Proportional to 8,692.50 and 13,080.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,692.50 : 13,080.38 = 13,080.38 : x
2. Step 2: Convert to fraction form
   8,692.50/13,080.38 = 13,080.38/x
3. Step 3: Cross multiply
   8,692.50x = 13,080.38 × 13,080.38
4. Step 4: Simplify right side
   8,692.50x = 171,096,210.14
5. Step 5: Solve for x
   x = 171,096,210.14/8,692.50
6. Step 6: Final answer
   x = 19,683.20