Finding the Third Proportional to 266,233.50 and 579,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   266,233.50 : 579,112.50 = 579,112.50 : x
2. Step 2: Convert to fraction form
   266,233.50/579,112.50 = 579,112.50/x
3. Step 3: Cross multiply
   266,233.50x = 579,112.50 × 579,112.50
4. Step 4: Simplify right side
   266,233.50x = 335,371,287,656.25
5. Step 5: Solve for x
   x = 335,371,287,656.25/266,233.50
6. Step 6: Final answer
   x = 1,259,688.54