Finding the Third Proportional to 60,219 and 131,166

Step by Step Solution

1. Step 1: Write the proportion equation
   60,219 : 131,166 = 131,166 : x
2. Step 2: Convert to fraction form
   60,219/131,166 = 131,166/x
3. Step 3: Cross multiply
   60,219x = 131,166 × 131,166
4. Step 4: Simplify right side
   60,219x = 17,204,519,556
5. Step 5: Solve for x
   x = 17,204,519,556/60,219
6. Step 6: Final answer
   x = 285,699.19