Finding the Third Proportional to 70,724 and 155,056

Step by Step Solution

1. Step 1: Write the proportion equation
   70,724 : 155,056 = 155,056 : x
2. Step 2: Convert to fraction form
   70,724/155,056 = 155,056/x
3. Step 3: Cross multiply
   70,724x = 155,056 × 155,056
4. Step 4: Simplify right side
   70,724x = 24,042,363,136
5. Step 5: Solve for x
   x = 24,042,363,136/70,724
6. Step 6: Final answer
   x = 339,946.31