Finding the Third Proportional to 363,118.50 and 776,268

Step by Step Solution

1. Step 1: Write the proportion equation
   363,118.50 : 776,268 = 776,268 : x
2. Step 2: Convert to fraction form
   363,118.50/776,268 = 776,268/x
3. Step 3: Cross multiply
   363,118.50x = 776,268 × 776,268
4. Step 4: Simplify right side
   363,118.50x = 602,592,007,824
5. Step 5: Solve for x
   x = 602,592,007,824/363,118.50
6. Step 6: Final answer
   x = 1,659,491.34