Finding the Third Proportional to 253,910 and 373,008

Step by Step Solution

1. Step 1: Write the proportion equation
   253,910 : 373,008 = 373,008 : x
2. Step 2: Convert to fraction form
   253,910/373,008 = 373,008/x
3. Step 3: Cross multiply
   253,910x = 373,008 × 373,008
4. Step 4: Simplify right side
   253,910x = 139,134,968,064
5. Step 5: Solve for x
   x = 139,134,968,064/253,910
6. Step 6: Final answer
   x = 547,969.63