Finding the Third Proportional to 263,677.50 and 546,039

Step by Step Solution

1. Step 1: Write the proportion equation
   263,677.50 : 546,039 = 546,039 : x
2. Step 2: Convert to fraction form
   263,677.50/546,039 = 546,039/x
3. Step 3: Cross multiply
   263,677.50x = 546,039 × 546,039
4. Step 4: Simplify right side
   263,677.50x = 298,158,589,521
5. Step 5: Solve for x
   x = 298,158,589,521/263,677.50
6. Step 6: Final answer
   x = 1,130,769.93