Finding the Third Proportional to 272,448.56 and 373,997.25

Step by Step Solution

1. Step 1: Write the proportion equation
   272,448.56 : 373,997.25 = 373,997.25 : x
2. Step 2: Convert to fraction form
   272,448.56/373,997.25 = 373,997.25/x
3. Step 3: Cross multiply
   272,448.56x = 373,997.25 × 373,997.25
4. Step 4: Simplify right side
   272,448.56x = 139,873,943,007.56
5. Step 5: Solve for x
   x = 139,873,943,007.56/272,448.56
6. Step 6: Final answer
   x = 513,395.78