Finding the Third Proportional to 29,439.07 and 64,379.81

Step by Step Solution

1. Step 1: Write the proportion equation
   29,439.07 : 64,379.81 = 64,379.81 : x
2. Step 2: Convert to fraction form
   29,439.07/64,379.81 = 64,379.81/x
3. Step 3: Cross multiply
   29,439.07x = 64,379.81 × 64,379.81
4. Step 4: Simplify right side
   29,439.07x = 4,144,760,257.54
5. Step 5: Solve for x
   x = 4,144,760,257.54/29,439.07
6. Step 6: Final answer
   x = 140,791.14