Finding the Third Proportional to 49,344.19 and 65,815.03

Step by Step Solution

1. Step 1: Write the proportion equation
   49,344.19 : 65,815.03 = 65,815.03 : x
2. Step 2: Convert to fraction form
   49,344.19/65,815.03 = 65,815.03/x
3. Step 3: Cross multiply
   49,344.19x = 65,815.03 × 65,815.03
4. Step 4: Simplify right side
   49,344.19x = 4,331,618,338.44
5. Step 5: Solve for x
   x = 4,331,618,338.44/49,344.19
6. Step 6: Final answer
   x = 87,783.76