Finding the Third Proportional to 360,817.50 and 774,942

Step by Step Solution

1. Step 1: Write the proportion equation
   360,817.50 : 774,942 = 774,942 : x
2. Step 2: Convert to fraction form
   360,817.50/774,942 = 774,942/x
3. Step 3: Cross multiply
   360,817.50x = 774,942 × 774,942
4. Step 4: Simplify right side
   360,817.50x = 600,535,103,364
5. Step 5: Solve for x
   x = 600,535,103,364/360,817.50
6. Step 6: Final answer
   x = 1,664,373.55