Finding the Third Proportional to 263,412 and 577,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   263,412 : 577,003.50 = 577,003.50 : x
2. Step 2: Convert to fraction form
   263,412/577,003.50 = 577,003.50/x
3. Step 3: Cross multiply
   263,412x = 577,003.50 × 577,003.50
4. Step 4: Simplify right side
   263,412x = 332,933,039,012.25
5. Step 5: Solve for x
   x = 332,933,039,012.25/263,412
6. Step 6: Final answer
   x = 1,263,925.10