Finding the Third Proportional to 519,355.50 and 776,958

Step by Step Solution

1. Step 1: Write the proportion equation
   519,355.50 : 776,958 = 776,958 : x
2. Step 2: Convert to fraction form
   519,355.50/776,958 = 776,958/x
3. Step 3: Cross multiply
   519,355.50x = 776,958 × 776,958
4. Step 4: Simplify right side
   519,355.50x = 603,663,733,764
5. Step 5: Solve for x
   x = 603,663,733,764/519,355.50
6. Step 6: Final answer
   x = 1,162,332.42