Finding the Third Proportional to 207,540 and 447,770.25

Step by Step Solution

1. Step 1: Write the proportion equation
   207,540 : 447,770.25 = 447,770.25 : x
2. Step 2: Convert to fraction form
   207,540/447,770.25 = 447,770.25/x
3. Step 3: Cross multiply
   207,540x = 447,770.25 × 447,770.25
4. Step 4: Simplify right side
   207,540x = 200,498,196,785.06
5. Step 5: Solve for x
   x = 200,498,196,785.06/207,540
6. Step 6: Final answer
   x = 966,070.14