Finding the Third Proportional to 42,303 and 66,936

Step by Step Solution

1. Step 1: Write the proportion equation
   42,303 : 66,936 = 66,936 : x
2. Step 2: Convert to fraction form
   42,303/66,936 = 66,936/x
3. Step 3: Cross multiply
   42,303x = 66,936 × 66,936
4. Step 4: Simplify right side
   42,303x = 4,480,428,096
5. Step 5: Solve for x
   x = 4,480,428,096/42,303
6. Step 6: Final answer
   x = 105,912.77