Finding the Third Proportional to 36,309 and 57,058.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,309 : 57,058.50 = 57,058.50 : x
2. Step 2: Convert to fraction form
   36,309/57,058.50 = 57,058.50/x
3. Step 3: Cross multiply
   36,309x = 57,058.50 × 57,058.50
4. Step 4: Simplify right side
   36,309x = 3,255,672,422.25
5. Step 5: Solve for x
   x = 3,255,672,422.25/36,309
6. Step 6: Final answer
   x = 89,665.71