Finding the Third Proportional to 55,816,616,354 and 85,794,141,171

Step by Step Solution

1. Step 1: Write the proportion equation
   55,816,616,354 : 85,794,141,171 = 85,794,141,171 : x
2. Step 2: Convert to fraction form
   55,816,616,354/85,794,141,171 = 85,794,141,171/x
3. Step 3: Cross multiply
   55,816,616,354x = 85,794,141,171 × 85,794,141,171
4. Step 4: Simplify right side
   55,816,616,354x = 7,360,634,659,269,477,662,720
5. Step 5: Solve for x
   x = 7,360,634,659,269,477,662,720/55,816,616,354
6. Step 6: Final answer
   x = 131,871,746,086.99