Finding the Third Proportional to 129,196.69 and 188,692.03

Step by Step Solution

1. Step 1: Write the proportion equation
   129,196.69 : 188,692.03 = 188,692.03 : x
2. Step 2: Convert to fraction form
   129,196.69/188,692.03 = 188,692.03/x
3. Step 3: Cross multiply
   129,196.69x = 188,692.03 × 188,692.03
4. Step 4: Simplify right side
   129,196.69x = 35,604,682,657.25
5. Step 5: Solve for x
   x = 35,604,682,657.25/129,196.69
6. Step 6: Final answer
   x = 275,585.10