Finding the Third Proportional to 613,797,900 and 1,315,145,688

Step by Step Solution

1. Step 1: Write the proportion equation
   613,797,900 : 1,315,145,688 = 1,315,145,688 : x
2. Step 2: Convert to fraction form
   613,797,900/1,315,145,688 = 1,315,145,688/x
3. Step 3: Cross multiply
   613,797,900x = 1,315,145,688 × 1,315,145,688
4. Step 4: Simplify right side
   613,797,900x = 1,729,608,180,664,993,280
5. Step 5: Solve for x
   x = 1,729,608,180,664,993,280/613,797,900
6. Step 6: Final answer
   x = 2,817,878,947.88