Finding the Third Proportional to 296,772 and 699,862.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,772 : 699,862.50 = 699,862.50 : x
2. Step 2: Convert to fraction form
   296,772/699,862.50 = 699,862.50/x
3. Step 3: Cross multiply
   296,772x = 699,862.50 × 699,862.50
4. Step 4: Simplify right side
   296,772x = 489,807,518,906.25
5. Step 5: Solve for x
   x = 489,807,518,906.25/296,772
6. Step 6: Final answer
   x = 1,650,450.58