Finding the Third Proportional to 39,345.75 and 55,195.88

Step by Step Solution

1. Step 1: Write the proportion equation
   39,345.75 : 55,195.88 = 55,195.88 : x
2. Step 2: Convert to fraction form
   39,345.75/55,195.88 = 55,195.88/x
3. Step 3: Cross multiply
   39,345.75x = 55,195.88 × 55,195.88
4. Step 4: Simplify right side
   39,345.75x = 3,046,584,617.02
5. Step 5: Solve for x
   x = 3,046,584,617.02/39,345.75
6. Step 6: Final answer
   x = 77,431.10