Finding the Third Proportional to 67,518.38 and 147,186

Step by Step Solution

1. Step 1: Write the proportion equation
   67,518.38 : 147,186 = 147,186 : x
2. Step 2: Convert to fraction form
   67,518.38/147,186 = 147,186/x
3. Step 3: Cross multiply
   67,518.38x = 147,186 × 147,186
4. Step 4: Simplify right side
   67,518.38x = 21,663,718,596
5. Step 5: Solve for x
   x = 21,663,718,596/67,518.38
6. Step 6: Final answer
   x = 320,856.63