Finding the Third Proportional to 15,578 and 33,342

Step by Step Solution

1. Step 1: Write the proportion equation
   15,578 : 33,342 = 33,342 : x
2. Step 2: Convert to fraction form
   15,578/33,342 = 33,342/x
3. Step 3: Cross multiply
   15,578x = 33,342 × 33,342
4. Step 4: Simplify right side
   15,578x = 1,111,688,964
5. Step 5: Solve for x
   x = 1,111,688,964/15,578
6. Step 6: Final answer
   x = 71,362.75