Finding the Third Proportional to 263,548.50 and 577,884

Step by Step Solution

1. Step 1: Write the proportion equation
   263,548.50 : 577,884 = 577,884 : x
2. Step 2: Convert to fraction form
   263,548.50/577,884 = 577,884/x
3. Step 3: Cross multiply
   263,548.50x = 577,884 × 577,884
4. Step 4: Simplify right side
   263,548.50x = 333,949,917,456
5. Step 5: Solve for x
   x = 333,949,917,456/263,548.50
6. Step 6: Final answer
   x = 1,267,128.89