Finding the Third Proportional to 188,800 and 291,662

Step by Step Solution

1. Step 1: Write the proportion equation
   188,800 : 291,662 = 291,662 : x
2. Step 2: Convert to fraction form
   188,800/291,662 = 291,662/x
3. Step 3: Cross multiply
   188,800x = 291,662 × 291,662
4. Step 4: Simplify right side
   188,800x = 85,066,722,244
5. Step 5: Solve for x
   x = 85,066,722,244/188,800
6. Step 6: Final answer
   x = 450,565.27