Finding the Third Proportional to 251,352 and 538,684.50

Step by Step Solution

1. Step 1: Write the proportion equation
   251,352 : 538,684.50 = 538,684.50 : x
2. Step 2: Convert to fraction form
   251,352/538,684.50 = 538,684.50/x
3. Step 3: Cross multiply
   251,352x = 538,684.50 × 538,684.50
4. Step 4: Simplify right side
   251,352x = 290,180,990,540.25
5. Step 5: Solve for x
   x = 290,180,990,540.25/251,352
6. Step 6: Final answer
   x = 1,154,480.53