Finding the Third Proportional to 252,868.50 and 355,704

Step by Step Solution

1. Step 1: Write the proportion equation
   252,868.50 : 355,704 = 355,704 : x
2. Step 2: Convert to fraction form
   252,868.50/355,704 = 355,704/x
3. Step 3: Cross multiply
   252,868.50x = 355,704 × 355,704
4. Step 4: Simplify right side
   252,868.50x = 126,525,335,616
5. Step 5: Solve for x
   x = 126,525,335,616/252,868.50
6. Step 6: Final answer
   x = 500,360.21