Finding the Third Proportional to 55,778,736 and 120,819,616

Step by Step Solution

1. Step 1: Write the proportion equation
   55,778,736 : 120,819,616 = 120,819,616 : x
2. Step 2: Convert to fraction form
   55,778,736/120,819,616 = 120,819,616/x
3. Step 3: Cross multiply
   55,778,736x = 120,819,616 × 120,819,616
4. Step 4: Simplify right side
   55,778,736x = 14,597,379,610,387,456
5. Step 5: Solve for x
   x = 14,597,379,610,387,456/55,778,736
6. Step 6: Final answer
   x = 261,701,513.11