Finding the Third Proportional to 1,919,398,832,469 and 3,997,665,177,534

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,398,832,469 : 3,997,665,177,534 = 3,997,665,177,534 : x
2. Step 2: Convert to fraction form
   1,919,398,832,469/3,997,665,177,534 = 3,997,665,177,534/x
3. Step 3: Cross multiply
   1,919,398,832,469x = 3,997,665,177,534 × 3,997,665,177,534
4. Step 4: Simplify right side
   1,919,398,832,469x = 15,981,326,871,667,947,629,182,976
5. Step 5: Solve for x
   x = 15,981,326,871,667,947,629,182,976/1,919,398,832,469
6. Step 6: Final answer
   x = 8,326,214,750,850.15