Finding the Third Proportional to 367,231.50 and 778,551

Step by Step Solution

1. Step 1: Write the proportion equation
   367,231.50 : 778,551 = 778,551 : x
2. Step 2: Convert to fraction form
   367,231.50/778,551 = 778,551/x
3. Step 3: Cross multiply
   367,231.50x = 778,551 × 778,551
4. Step 4: Simplify right side
   367,231.50x = 606,141,659,601
5. Step 5: Solve for x
   x = 606,141,659,601/367,231.50
6. Step 6: Final answer
   x = 1,650,570.99