Finding the Third Proportional to 363,529.69 and 776,538.56

Step by Step Solution

1. Step 1: Write the proportion equation
   363,529.69 : 776,538.56 = 776,538.56 : x
2. Step 2: Convert to fraction form
   363,529.69/776,538.56 = 776,538.56/x
3. Step 3: Cross multiply
   363,529.69x = 776,538.56 × 776,538.56
4. Step 4: Simplify right side
   363,529.69x = 603,012,139,049.57
5. Step 5: Solve for x
   x = 603,012,139,049.57/363,529.69
6. Step 6: Final answer
   x = 1,658,770.00