Finding the Third Proportional to 404,082 and 606,123

Step by Step Solution

1. Step 1: Write the proportion equation
   404,082 : 606,123 = 606,123 : x
2. Step 2: Convert to fraction form
   404,082/606,123 = 606,123/x
3. Step 3: Cross multiply
   404,082x = 606,123 × 606,123
4. Step 4: Simplify right side
   404,082x = 367,385,091,129
5. Step 5: Solve for x
   x = 367,385,091,129/404,082
6. Step 6: Final answer
   x = 909,184.50