Finding the Third Proportional to 296,609 and 699,875.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,609 : 699,875.50 = 699,875.50 : x
2. Step 2: Convert to fraction form
   296,609/699,875.50 = 699,875.50/x
3. Step 3: Cross multiply
   296,609x = 699,875.50 × 699,875.50
4. Step 4: Simplify right side
   296,609x = 489,825,715,500.25
5. Step 5: Solve for x
   x = 489,825,715,500.25/296,609
6. Step 6: Final answer
   x = 1,651,418.92