Finding the Third Proportional to 296,782 and 699,888.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,782 : 699,888.50 = 699,888.50 : x
2. Step 2: Convert to fraction form
   296,782/699,888.50 = 699,888.50/x
3. Step 3: Cross multiply
   296,782x = 699,888.50 × 699,888.50
4. Step 4: Simplify right side
   296,782x = 489,843,912,432.25
5. Step 5: Solve for x
   x = 489,843,912,432.25/296,782
6. Step 6: Final answer
   x = 1,650,517.59