Finding the Third Proportional to 21,314 and 43,476

Step by Step Solution

1. Step 1: Write the proportion equation
   21,314 : 43,476 = 43,476 : x
2. Step 2: Convert to fraction form
   21,314/43,476 = 43,476/x
3. Step 3: Cross multiply
   21,314x = 43,476 × 43,476
4. Step 4: Simplify right side
   21,314x = 1,890,162,576
5. Step 5: Solve for x
   x = 1,890,162,576/21,314
6. Step 6: Final answer
   x = 88,681.74