Finding the Third Proportional to 251,578.50 and 373,938

Step by Step Solution

1. Step 1: Write the proportion equation
   251,578.50 : 373,938 = 373,938 : x
2. Step 2: Convert to fraction form
   251,578.50/373,938 = 373,938/x
3. Step 3: Cross multiply
   251,578.50x = 373,938 × 373,938
4. Step 4: Simplify right side
   251,578.50x = 139,829,627,844
5. Step 5: Solve for x
   x = 139,829,627,844/251,578.50
6. Step 6: Final answer
   x = 555,809.13