Finding the Third Proportional to 55,463,012 and 86,552,144

Step by Step Solution

1. Step 1: Write the proportion equation
   55,463,012 : 86,552,144 = 86,552,144 : x
2. Step 2: Convert to fraction form
   55,463,012/86,552,144 = 86,552,144/x
3. Step 3: Cross multiply
   55,463,012x = 86,552,144 × 86,552,144
4. Step 4: Simplify right side
   55,463,012x = 7,491,273,630,996,736
5. Step 5: Solve for x
   x = 7,491,273,630,996,736/55,463,012
6. Step 6: Final answer
   x = 135,067,919.34