Finding the Third Proportional to 212,082 and 456,666

Step by Step Solution

1. Step 1: Write the proportion equation
   212,082 : 456,666 = 456,666 : x
2. Step 2: Convert to fraction form
   212,082/456,666 = 456,666/x
3. Step 3: Cross multiply
   212,082x = 456,666 × 456,666
4. Step 4: Simplify right side
   212,082x = 208,543,835,556
5. Step 5: Solve for x
   x = 208,543,835,556/212,082
6. Step 6: Final answer
   x = 983,317.00