Finding the Third Proportional to 457,569 and 699,961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   457,569 : 699,961.50 = 699,961.50 : x
2. Step 2: Convert to fraction form
   457,569/699,961.50 = 699,961.50/x
3. Step 3: Cross multiply
   457,569x = 699,961.50 × 699,961.50
4. Step 4: Simplify right side
   457,569x = 489,946,101,482.25
5. Step 5: Solve for x
   x = 489,946,101,482.25/457,569
6. Step 6: Final answer
   x = 1,070,758.95