Finding the Third Proportional to 250,499,034 and 518,181,328

Step by Step Solution

1. Step 1: Write the proportion equation
   250,499,034 : 518,181,328 = 518,181,328 : x
2. Step 2: Convert to fraction form
   250,499,034/518,181,328 = 518,181,328/x
3. Step 3: Cross multiply
   250,499,034x = 518,181,328 × 518,181,328
4. Step 4: Simplify right side
   250,499,034x = 268,511,888,687,843,584
5. Step 5: Solve for x
   x = 268,511,888,687,843,584/250,499,034
6. Step 6: Final answer
   x = 1,071,907,880.84