Finding the Third Proportional to 6,443,238,569.50 and 13,871,204,608

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443,238,569.50 : 13,871,204,608 = 13,871,204,608 : x
2. Step 2: Convert to fraction form
   6,443,238,569.50/13,871,204,608 = 13,871,204,608/x
3. Step 3: Cross multiply
   6,443,238,569.50x = 13,871,204,608 × 13,871,204,608
4. Step 4: Simplify right side
   6,443,238,569.50x = 192,410,317,277,000,433,664
5. Step 5: Solve for x
   x = 192,410,317,277,000,433,664/6,443,238,569.50
6. Step 6: Final answer
   x = 29,862,361,171.57