Finding the Third Proportional to 251,658 and 540,850.50

Step by Step Solution

1. Step 1: Write the proportion equation
   251,658 : 540,850.50 = 540,850.50 : x
2. Step 2: Convert to fraction form
   251,658/540,850.50 = 540,850.50/x
3. Step 3: Cross multiply
   251,658x = 540,850.50 × 540,850.50
4. Step 4: Simplify right side
   251,658x = 292,519,263,350.25
5. Step 5: Solve for x
   x = 292,519,263,350.25/251,658
6. Step 6: Final answer
   x = 1,162,368.23