Finding the Third Proportional to 263,131 and 544,313.50

Step by Step Solution

1. Step 1: Write the proportion equation
   263,131 : 544,313.50 = 544,313.50 : x
2. Step 2: Convert to fraction form
   263,131/544,313.50 = 544,313.50/x
3. Step 3: Cross multiply
   263,131x = 544,313.50 × 544,313.50
4. Step 4: Simplify right side
   263,131x = 296,277,186,282.25
5. Step 5: Solve for x
   x = 296,277,186,282.25/263,131
6. Step 6: Final answer
   x = 1,125,968.38