Finding the Third Proportional to 28,141.88 and 39,580.31

Step by Step Solution

1. Step 1: Write the proportion equation
   28,141.88 : 39,580.31 = 39,580.31 : x
2. Step 2: Convert to fraction form
   28,141.88/39,580.31 = 39,580.31/x
3. Step 3: Cross multiply
   28,141.88x = 39,580.31 × 39,580.31
4. Step 4: Simplify right side
   28,141.88x = 1,566,601,137.60
5. Step 5: Solve for x
   x = 1,566,601,137.60/28,141.88
6. Step 6: Final answer
   x = 55,667.97