Finding the Third Proportional to 42,824 and 65,247

Step by Step Solution

1. Step 1: Write the proportion equation
   42,824 : 65,247 = 65,247 : x
2. Step 2: Convert to fraction form
   42,824/65,247 = 65,247/x
3. Step 3: Cross multiply
   42,824x = 65,247 × 65,247
4. Step 4: Simplify right side
   42,824x = 4,257,171,009
5. Step 5: Solve for x
   x = 4,257,171,009/42,824
6. Step 6: Final answer
   x = 99,410.87