Finding the Third Proportional to 39,479.25 and 53,598.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,479.25 : 53,598.75 = 53,598.75 : x
2. Step 2: Convert to fraction form
   39,479.25/53,598.75 = 53,598.75/x
3. Step 3: Cross multiply
   39,479.25x = 53,598.75 × 53,598.75
4. Step 4: Simplify right side
   39,479.25x = 2,872,826,001.56
5. Step 5: Solve for x
   x = 2,872,826,001.56/39,479.25
6. Step 6: Final answer
   x = 72,768.00