Finding the Third Proportional to 131,454 and 214,632

Step by Step Solution

1. Step 1: Write the proportion equation
   131,454 : 214,632 = 214,632 : x
2. Step 2: Convert to fraction form
   131,454/214,632 = 214,632/x
3. Step 3: Cross multiply
   131,454x = 214,632 × 214,632
4. Step 4: Simplify right side
   131,454x = 46,066,895,424
5. Step 5: Solve for x
   x = 46,066,895,424/131,454
6. Step 6: Final answer
   x = 350,441.18