Finding the Third Proportional to 2,575,414,728 and 5,578,681,556

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575,414,728 : 5,578,681,556 = 5,578,681,556 : x
2. Step 2: Convert to fraction form
   2,575,414,728/5,578,681,556 = 5,578,681,556/x
3. Step 3: Cross multiply
   2,575,414,728x = 5,578,681,556 × 5,578,681,556
4. Step 4: Simplify right side
   2,575,414,728x = 31,121,687,903,254,581,248
5. Step 5: Solve for x
   x = 31,121,687,903,254,581,248/2,575,414,728
6. Step 6: Final answer
   x = 12,084,146,124.08