Finding the Third Proportional to 353,878.50 and 769,965

Step by Step Solution

1. Step 1: Write the proportion equation
   353,878.50 : 769,965 = 769,965 : x
2. Step 2: Convert to fraction form
   353,878.50/769,965 = 769,965/x
3. Step 3: Cross multiply
   353,878.50x = 769,965 × 769,965
4. Step 4: Simplify right side
   353,878.50x = 592,846,101,225
5. Step 5: Solve for x
   x = 592,846,101,225/353,878.50
6. Step 6: Final answer
   x = 1,675,281.49