Finding the Third Proportional to 366,870.50 and 548,619

Step by Step Solution

1. Step 1: Write the proportion equation
   366,870.50 : 548,619 = 548,619 : x
2. Step 2: Convert to fraction form
   366,870.50/548,619 = 548,619/x
3. Step 3: Cross multiply
   366,870.50x = 548,619 × 548,619
4. Step 4: Simplify right side
   366,870.50x = 300,982,807,161
5. Step 5: Solve for x
   x = 300,982,807,161/366,870.50
6. Step 6: Final answer
   x = 820,406.13