Finding the Third Proportional to 188,472 and 264,142

Step by Step Solution

1. Step 1: Write the proportion equation
   188,472 : 264,142 = 264,142 : x
2. Step 2: Convert to fraction form
   188,472/264,142 = 264,142/x
3. Step 3: Cross multiply
   188,472x = 264,142 × 264,142
4. Step 4: Simplify right side
   188,472x = 69,770,996,164
5. Step 5: Solve for x
   x = 69,770,996,164/188,472
6. Step 6: Final answer
   x = 370,192.90