Finding the Third Proportional to 207,904 and 456,404

Step by Step Solution

1. Step 1: Write the proportion equation
   207,904 : 456,404 = 456,404 : x
2. Step 2: Convert to fraction form
   207,904/456,404 = 456,404/x
3. Step 3: Cross multiply
   207,904x = 456,404 × 456,404
4. Step 4: Simplify right side
   207,904x = 208,304,611,216
5. Step 5: Solve for x
   x = 208,304,611,216/207,904
6. Step 6: Final answer
   x = 1,001,926.90