Finding the Third Proportional to 447,079 and 676,396.50

Step by Step Solution

1. Step 1: Write the proportion equation
   447,079 : 676,396.50 = 676,396.50 : x
2. Step 2: Convert to fraction form
   447,079/676,396.50 = 676,396.50/x
3. Step 3: Cross multiply
   447,079x = 676,396.50 × 676,396.50
4. Step 4: Simplify right side
   447,079x = 457,512,225,212.25
5. Step 5: Solve for x
   x = 457,512,225,212.25/447,079
6. Step 6: Final answer
   x = 1,023,336.42