Finding the Third Proportional to 4,619,236,779 and 10,778,591,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,619,236,779 : 10,778,591,659.50 = 10,778,591,659.50 : x
2. Step 2: Convert to fraction form
   4,619,236,779/10,778,591,659.50 = 10,778,591,659.50/x
3. Step 3: Cross multiply
   4,619,236,779x = 10,778,591,659.50 × 10,778,591,659.50
4. Step 4: Simplify right side
   4,619,236,779x = 116,178,038,162,242,961,408
5. Step 5: Solve for x
   x = 116,178,038,162,242,961,408/4,619,236,779
6. Step 6: Final answer
   x = 25,150,916,422.04