Finding the Third Proportional to 163,764 and 356,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,764 : 356,359.50 = 356,359.50 : x
2. Step 2: Convert to fraction form
   163,764/356,359.50 = 356,359.50/x
3. Step 3: Cross multiply
   163,764x = 356,359.50 × 356,359.50
4. Step 4: Simplify right side
   163,764x = 126,992,093,240.25
5. Step 5: Solve for x
   x = 126,992,093,240.25/163,764
6. Step 6: Final answer
   x = 775,457.93