Finding the Third Proportional to 457,947 and 700,519.50

Step by Step Solution

1. Step 1: Write the proportion equation
   457,947 : 700,519.50 = 700,519.50 : x
2. Step 2: Convert to fraction form
   457,947/700,519.50 = 700,519.50/x
3. Step 3: Cross multiply
   457,947x = 700,519.50 × 700,519.50
4. Step 4: Simplify right side
   457,947x = 490,727,569,880.25
5. Step 5: Solve for x
   x = 490,727,569,880.25/457,947
6. Step 6: Final answer
   x = 1,071,581.58