Finding the Third Proportional to 15,564.38 and 34,399.31

Step by Step Solution

1. Step 1: Write the proportion equation
   15,564.38 : 34,399.31 = 34,399.31 : x
2. Step 2: Convert to fraction form
   15,564.38/34,399.31 = 34,399.31/x
3. Step 3: Cross multiply
   15,564.38x = 34,399.31 × 34,399.31
4. Step 4: Simplify right side
   15,564.38x = 1,183,312,700.47
5. Step 5: Solve for x
   x = 1,183,312,700.47/15,564.38
6. Step 6: Final answer
   x = 76,027.00