Finding the Third Proportional to 15,019,452,539 and 31,274,943,288

Step by Step Solution

1. Step 1: Write the proportion equation
   15,019,452,539 : 31,274,943,288 = 31,274,943,288 : x
2. Step 2: Convert to fraction form
   15,019,452,539/31,274,943,288 = 31,274,943,288/x
3. Step 3: Cross multiply
   15,019,452,539x = 31,274,943,288 × 31,274,943,288
4. Step 4: Simplify right side
   15,019,452,539x = 978,122,077,667,616,227,328
5. Step 5: Solve for x
   x = 978,122,077,667,616,227,328/15,019,452,539
6. Step 6: Final answer
   x = 65,123,683,777.94