Finding the Third Proportional to 251,554 and 373,908.50

Step by Step Solution

1. Step 1: Write the proportion equation
   251,554 : 373,908.50 = 373,908.50 : x
2. Step 2: Convert to fraction form
   251,554/373,908.50 = 373,908.50/x
3. Step 3: Cross multiply
   251,554x = 373,908.50 × 373,908.50
4. Step 4: Simplify right side
   251,554x = 139,807,566,372.25
5. Step 5: Solve for x
   x = 139,807,566,372.25/251,554
6. Step 6: Final answer
   x = 555,775.56