Finding the Third Proportional to 21,274.50 and 30,453

Step by Step Solution

1. Step 1: Write the proportion equation
   21,274.50 : 30,453 = 30,453 : x
2. Step 2: Convert to fraction form
   21,274.50/30,453 = 30,453/x
3. Step 3: Cross multiply
   21,274.50x = 30,453 × 30,453
4. Step 4: Simplify right side
   21,274.50x = 927,385,209
5. Step 5: Solve for x
   x = 927,385,209/21,274.50
6. Step 6: Final answer
   x = 43,591.40