Finding the Third Proportional to 2,578,456,905 and 5,524,492,578

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,456,905 : 5,524,492,578 = 5,524,492,578 : x
2. Step 2: Convert to fraction form
   2,578,456,905/5,524,492,578 = 5,524,492,578/x
3. Step 3: Cross multiply
   2,578,456,905x = 5,524,492,578 × 5,524,492,578
4. Step 4: Simplify right side
   2,578,456,905x = 30,520,018,244,377,088,000
5. Step 5: Solve for x
   x = 30,520,018,244,377,088,000/2,578,456,905
6. Step 6: Final answer
   x = 11,836,543,858.92