Finding the Third Proportional to 6,485,116,168 and 13,150,688,312

Step by Step Solution

1. Step 1: Write the proportion equation
   6,485,116,168 : 13,150,688,312 = 13,150,688,312 : x
2. Step 2: Convert to fraction form
   6,485,116,168/13,150,688,312 = 13,150,688,312/x
3. Step 3: Cross multiply
   6,485,116,168x = 13,150,688,312 × 13,150,688,312
4. Step 4: Simplify right side
   6,485,116,168x = 172,940,603,079,373,422,592
5. Step 5: Solve for x
   x = 172,940,603,079,373,422,592/6,485,116,168
6. Step 6: Final answer
   x = 26,667,309,975.53