Finding the Third Proportional to 39,004.88 and 55,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,004.88 : 55,777.50 = 55,777.50 : x
2. Step 2: Convert to fraction form
   39,004.88/55,777.50 = 55,777.50/x
3. Step 3: Cross multiply
   39,004.88x = 55,777.50 × 55,777.50
4. Step 4: Simplify right side
   39,004.88x = 3,111,129,506.25
5. Step 5: Solve for x
   x = 3,111,129,506.25/39,004.88
6. Step 6: Final answer
   x = 79,762.58