Finding the Third Proportional to 40,804,942 and 86,215,218

Step by Step Solution

1. Step 1: Write the proportion equation
   40,804,942 : 86,215,218 = 86,215,218 : x
2. Step 2: Convert to fraction form
   40,804,942/86,215,218 = 86,215,218/x
3. Step 3: Cross multiply
   40,804,942x = 86,215,218 × 86,215,218
4. Step 4: Simplify right side
   40,804,942x = 7,433,063,814,787,524
5. Step 5: Solve for x
   x = 7,433,063,814,787,524/40,804,942
6. Step 6: Final answer
   x = 182,160,871.95