Finding the Third Proportional to 49,504.50 and 65,643.75

Step by Step Solution

1. Step 1: Write the proportion equation
   49,504.50 : 65,643.75 = 65,643.75 : x
2. Step 2: Convert to fraction form
   49,504.50/65,643.75 = 65,643.75/x
3. Step 3: Cross multiply
   49,504.50x = 65,643.75 × 65,643.75
4. Step 4: Simplify right side
   49,504.50x = 4,309,101,914.06
5. Step 5: Solve for x
   x = 4,309,101,914.06/49,504.50
6. Step 6: Final answer
   x = 87,044.65