Finding the Third Proportional to 296,606.50 and 699,871

Step by Step Solution

1. Step 1: Write the proportion equation
   296,606.50 : 699,871 = 699,871 : x
2. Step 2: Convert to fraction form
   296,606.50/699,871 = 699,871/x
3. Step 3: Cross multiply
   296,606.50x = 699,871 × 699,871
4. Step 4: Simplify right side
   296,606.50x = 489,819,416,641
5. Step 5: Solve for x
   x = 489,819,416,641/296,606.50
6. Step 6: Final answer
   x = 1,651,411.61