Finding the Third Proportional to 355,357.50 and 769,764

Step by Step Solution

1. Step 1: Write the proportion equation
   355,357.50 : 769,764 = 769,764 : x
2. Step 2: Convert to fraction form
   355,357.50/769,764 = 769,764/x
3. Step 3: Cross multiply
   355,357.50x = 769,764 × 769,764
4. Step 4: Simplify right side
   355,357.50x = 592,536,615,696
5. Step 5: Solve for x
   x = 592,536,615,696/355,357.50
6. Step 6: Final answer
   x = 1,667,438.05