Finding the Third Proportional to 39,453.75 and 55,495.13

Step by Step Solution

1. Step 1: Write the proportion equation
   39,453.75 : 55,495.13 = 55,495.13 : x
2. Step 2: Convert to fraction form
   39,453.75/55,495.13 = 55,495.13/x
3. Step 3: Cross multiply
   39,453.75x = 55,495.13 × 55,495.13
4. Step 4: Simplify right side
   39,453.75x = 3,079,708,898.77
5. Step 5: Solve for x
   x = 3,079,708,898.77/39,453.75
6. Step 6: Final answer
   x = 78,058.71