Finding the Third Proportional to 40,633,612 and 86,777,980

Step by Step Solution

1. Step 1: Write the proportion equation
   40,633,612 : 86,777,980 = 86,777,980 : x
2. Step 2: Convert to fraction form
   40,633,612/86,777,980 = 86,777,980/x
3. Step 3: Cross multiply
   40,633,612x = 86,777,980 × 86,777,980
4. Step 4: Simplify right side
   40,633,612x = 7,530,417,812,880,400
5. Step 5: Solve for x
   x = 7,530,417,812,880,400/40,633,612
6. Step 6: Final answer
   x = 185,324,844.19