Finding the Third Proportional to 40,388,676 and 86,935,944

Step by Step Solution

1. Step 1: Write the proportion equation
   40,388,676 : 86,935,944 = 86,935,944 : x
2. Step 2: Convert to fraction form
   40,388,676/86,935,944 = 86,935,944/x
3. Step 3: Cross multiply
   40,388,676x = 86,935,944 × 86,935,944
4. Step 4: Simplify right side
   40,388,676x = 7,557,858,359,171,136
5. Step 5: Solve for x
   x = 7,557,858,359,171,136/40,388,676
6. Step 6: Final answer
   x = 187,128,153.43