Finding the Third Proportional to 30,022.31 and 64,683.56

Step by Step Solution

1. Step 1: Write the proportion equation
   30,022.31 : 64,683.56 = 64,683.56 : x
2. Step 2: Convert to fraction form
   30,022.31/64,683.56 = 64,683.56/x
3. Step 3: Cross multiply
   30,022.31x = 64,683.56 × 64,683.56
4. Step 4: Simplify right side
   30,022.31x = 4,183,963,257.69
5. Step 5: Solve for x
   x = 4,183,963,257.69/30,022.31
6. Step 6: Final answer
   x = 139,361.79