Finding the Third Proportional to 17,428 and 35,912

Step by Step Solution

1. Step 1: Write the proportion equation
   17,428 : 35,912 = 35,912 : x
2. Step 2: Convert to fraction form
   17,428/35,912 = 35,912/x
3. Step 3: Cross multiply
   17,428x = 35,912 × 35,912
4. Step 4: Simplify right side
   17,428x = 1,289,671,744
5. Step 5: Solve for x
   x = 1,289,671,744/17,428
6. Step 6: Final answer
   x = 73,999.99