Finding the Third Proportional to 188,124 and 401,762

Step by Step Solution

1. Step 1: Write the proportion equation
   188,124 : 401,762 = 401,762 : x
2. Step 2: Convert to fraction form
   188,124/401,762 = 401,762/x
3. Step 3: Cross multiply
   188,124x = 401,762 × 401,762
4. Step 4: Simplify right side
   188,124x = 161,412,704,644
5. Step 5: Solve for x
   x = 161,412,704,644/188,124
6. Step 6: Final answer
   x = 858,012.29