Finding the Third Proportional to 613,797,892 and 1,315,145,672

Step by Step Solution

1. Step 1: Write the proportion equation
   613,797,892 : 1,315,145,672 = 1,315,145,672 : x
2. Step 2: Convert to fraction form
   613,797,892/1,315,145,672 = 1,315,145,672/x
3. Step 3: Cross multiply
   613,797,892x = 1,315,145,672 × 1,315,145,672
4. Step 4: Simplify right side
   613,797,892x = 1,729,608,138,580,331,520
5. Step 5: Solve for x
   x = 1,729,608,138,580,331,520/613,797,892
6. Step 6: Final answer
   x = 2,817,878,916.05