Finding the Third Proportional to 207,876 and 456,666

Step by Step Solution

1. Step 1: Write the proportion equation
   207,876 : 456,666 = 456,666 : x
2. Step 2: Convert to fraction form
   207,876/456,666 = 456,666/x
3. Step 3: Cross multiply
   207,876x = 456,666 × 456,666
4. Step 4: Simplify right side
   207,876x = 208,543,835,556
5. Step 5: Solve for x
   x = 208,543,835,556/207,876
6. Step 6: Final answer
   x = 1,003,212.66