Finding the Third Proportional to 2,558,888,900 and 3,931,449,981

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,888,900 : 3,931,449,981 = 3,931,449,981 : x
2. Step 2: Convert to fraction form
   2,558,888,900/3,931,449,981 = 3,931,449,981/x
3. Step 3: Cross multiply
   2,558,888,900x = 3,931,449,981 × 3,931,449,981
4. Step 4: Simplify right side
   2,558,888,900x = 15,456,298,953,104,900,096
5. Step 5: Solve for x
   x = 15,456,298,953,104,900,096/2,558,888,900
6. Step 6: Final answer
   x = 6,040,238,383.58