Finding the Third Proportional to 25,431.47 and 38,739.52

Step by Step Solution

1. Step 1: Write the proportion equation
   25,431.47 : 38,739.52 = 38,739.52 : x
2. Step 2: Convert to fraction form
   25,431.47/38,739.52 = 38,739.52/x
3. Step 3: Cross multiply
   25,431.47x = 38,739.52 × 38,739.52
4. Step 4: Simplify right side
   25,431.47x = 1,500,750,070.86
5. Step 5: Solve for x
   x = 1,500,750,070.86/25,431.47
6. Step 6: Final answer
   x = 59,011.54