Finding the Third Proportional to 2,499,217,479 and 5,205,293,667

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,217,479 : 5,205,293,667 = 5,205,293,667 : x
2. Step 2: Convert to fraction form
   2,499,217,479/5,205,293,667 = 5,205,293,667/x
3. Step 3: Cross multiply
   2,499,217,479x = 5,205,293,667 × 5,205,293,667
4. Step 4: Simplify right side
   2,499,217,479x = 27,095,082,159,710,306,304
5. Step 5: Solve for x
   x = 27,095,082,159,710,306,304/2,499,217,479
6. Step 6: Final answer
   x = 10,841,426,321.39