Finding the Third Proportional to 30,539.25 and 65,695.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,539.25 : 65,695.50 = 65,695.50 : x
2. Step 2: Convert to fraction form
   30,539.25/65,695.50 = 65,695.50/x
3. Step 3: Cross multiply
   30,539.25x = 65,695.50 × 65,695.50
4. Step 4: Simplify right side
   30,539.25x = 4,315,898,720.25
5. Step 5: Solve for x
   x = 4,315,898,720.25/30,539.25
6. Step 6: Final answer
   x = 141,323.01