Finding the Third Proportional to 457,620 and 700,050

Step by Step Solution

1. Step 1: Write the proportion equation
   457,620 : 700,050 = 700,050 : x
2. Step 2: Convert to fraction form
   457,620/700,050 = 700,050/x
3. Step 3: Cross multiply
   457,620x = 700,050 × 700,050
4. Step 4: Simplify right side
   457,620x = 490,070,002,500
5. Step 5: Solve for x
   x = 490,070,002,500/457,620
6. Step 6: Final answer
   x = 1,070,910.37