Finding the Third Proportional to 2,492,240,419 and 5,318,054,390

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492,240,419 : 5,318,054,390 = 5,318,054,390 : x
2. Step 2: Convert to fraction form
   2,492,240,419/5,318,054,390 = 5,318,054,390/x
3. Step 3: Cross multiply
   2,492,240,419x = 5,318,054,390 × 5,318,054,390
4. Step 4: Simplify right side
   2,492,240,419x = 28,281,702,494,998,274,048
5. Step 5: Solve for x
   x = 28,281,702,494,998,274,048/2,492,240,419
6. Step 6: Final answer
   x = 11,347,902,986.96