Finding the Third Proportional to 40,361,986 and 86,105,451

Step by Step Solution

1. Step 1: Write the proportion equation
   40,361,986 : 86,105,451 = 86,105,451 : x
2. Step 2: Convert to fraction form
   40,361,986/86,105,451 = 86,105,451/x
3. Step 3: Cross multiply
   40,361,986x = 86,105,451 × 86,105,451
4. Step 4: Simplify right side
   40,361,986x = 7,414,148,691,913,401
5. Step 5: Solve for x
   x = 7,414,148,691,913,401/40,361,986
6. Step 6: Final answer
   x = 183,691,374.65