Finding the Third Proportional to 15,899.38 and 34,530.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,899.38 : 34,530.25 = 34,530.25 : x
2. Step 2: Convert to fraction form
   15,899.38/34,530.25 = 34,530.25/x
3. Step 3: Cross multiply
   15,899.38x = 34,530.25 × 34,530.25
4. Step 4: Simplify right side
   15,899.38x = 1,192,338,165.06
5. Step 5: Solve for x
   x = 1,192,338,165.06/15,899.38
6. Step 6: Final answer
   x = 74,992.77