Finding the Third Proportional to 542,018.25 and 1,145,083.50

Step by Step Solution

1. Step 1: Write the proportion equation
   542,018.25 : 1,145,083.50 = 1,145,083.50 : x
2. Step 2: Convert to fraction form
   542,018.25/1,145,083.50 = 1,145,083.50/x
3. Step 3: Cross multiply
   542,018.25x = 1,145,083.50 × 1,145,083.50
4. Step 4: Simplify right side
   542,018.25x = 1,311,216,221,972.25
5. Step 5: Solve for x
   x = 1,311,216,221,972.25/542,018.25
6. Step 6: Final answer
   x = 2,419,136.67