Finding the Third Proportional to 5,069,313 and 10,557,981

Step by Step Solution

1. Step 1: Write the proportion equation
   5,069,313 : 10,557,981 = 10,557,981 : x
2. Step 2: Convert to fraction form
   5,069,313/10,557,981 = 10,557,981/x
3. Step 3: Cross multiply
   5,069,313x = 10,557,981 × 10,557,981
4. Step 4: Simplify right side
   5,069,313x = 111,470,962,796,361
5. Step 5: Solve for x
   x = 111,470,962,796,361/5,069,313
6. Step 6: Final answer
   x = 21,989,362.82