Finding the Third Proportional to 43,245 and 65,739.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,245 : 65,739.50 = 65,739.50 : x
2. Step 2: Convert to fraction form
   43,245/65,739.50 = 65,739.50/x
3. Step 3: Cross multiply
   43,245x = 65,739.50 × 65,739.50
4. Step 4: Simplify right side
   43,245x = 4,321,681,860.25
5. Step 5: Solve for x
   x = 4,321,681,860.25/43,245
6. Step 6: Final answer
   x = 99,934.83