Finding the Third Proportional to 235,380 and 518,266.50

Step by Step Solution

1. Step 1: Write the proportion equation
   235,380 : 518,266.50 = 518,266.50 : x
2. Step 2: Convert to fraction form
   235,380/518,266.50 = 518,266.50/x
3. Step 3: Cross multiply
   235,380x = 518,266.50 × 518,266.50
4. Step 4: Simplify right side
   235,380x = 268,600,165,022.25
5. Step 5: Solve for x
   x = 268,600,165,022.25/235,380
6. Step 6: Final answer
   x = 1,141,134.19