Finding the Third Proportional to 29,009.81 and 39,140.72

Step by Step Solution

1. Step 1: Write the proportion equation
   29,009.81 : 39,140.72 = 39,140.72 : x
2. Step 2: Convert to fraction form
   29,009.81/39,140.72 = 39,140.72/x
3. Step 3: Cross multiply
   29,009.81x = 39,140.72 × 39,140.72
4. Step 4: Simplify right side
   29,009.81x = 1,531,995,864.27
5. Step 5: Solve for x
   x = 1,531,995,864.27/29,009.81
6. Step 6: Final answer
   x = 52,809.57