Finding the Third Proportional to 21,526 and 30,485

Step by Step Solution

1. Step 1: Write the proportion equation
   21,526 : 30,485 = 30,485 : x
2. Step 2: Convert to fraction form
   21,526/30,485 = 30,485/x
3. Step 3: Cross multiply
   21,526x = 30,485 × 30,485
4. Step 4: Simplify right side
   21,526x = 929,335,225
5. Step 5: Solve for x
   x = 929,335,225/21,526
6. Step 6: Final answer
   x = 43,172.69