Finding the Third Proportional to 68,155,914 and 146,704,456

Step by Step Solution

1. Step 1: Write the proportion equation
   68,155,914 : 146,704,456 = 146,704,456 : x
2. Step 2: Convert to fraction form
   68,155,914/146,704,456 = 146,704,456/x
3. Step 3: Cross multiply
   68,155,914x = 146,704,456 × 146,704,456
4. Step 4: Simplify right side
   68,155,914x = 21,522,197,410,255,936
5. Step 5: Solve for x
   x = 21,522,197,410,255,936/68,155,914
6. Step 6: Final answer
   x = 315,778,868.58