Finding the Third Proportional to 60,170,256 and 91,665,864

Step by Step Solution

1. Step 1: Write the proportion equation
   60,170,256 : 91,665,864 = 91,665,864 : x
2. Step 2: Convert to fraction form
   60,170,256/91,665,864 = 91,665,864/x
3. Step 3: Cross multiply
   60,170,256x = 91,665,864 × 91,665,864
4. Step 4: Simplify right side
   60,170,256x = 8,402,630,622,866,496
5. Step 5: Solve for x
   x = 8,402,630,622,866,496/60,170,256
6. Step 6: Final answer
   x = 139,647,579.74