Finding the Third Proportional to 272,767.50 and 583,443

Step by Step Solution

1. Step 1: Write the proportion equation
   272,767.50 : 583,443 = 583,443 : x
2. Step 2: Convert to fraction form
   272,767.50/583,443 = 583,443/x
3. Step 3: Cross multiply
   272,767.50x = 583,443 × 583,443
4. Step 4: Simplify right side
   272,767.50x = 340,405,734,249
5. Step 5: Solve for x
   x = 340,405,734,249/272,767.50
6. Step 6: Final answer
   x = 1,247,970.28