Finding the Third Proportional to 28,388 and 33,428

Step by Step Solution

1. Step 1: Write the proportion equation
   28,388 : 33,428 = 33,428 : x
2. Step 2: Convert to fraction form
   28,388/33,428 = 33,428/x
3. Step 3: Cross multiply
   28,388x = 33,428 × 33,428
4. Step 4: Simplify right side
   28,388x = 1,117,431,184
5. Step 5: Solve for x
   x = 1,117,431,184/28,388
6. Step 6: Final answer
   x = 39,362.80