Finding the Third Proportional to 67,768 and 147,056

Step by Step Solution

1. Step 1: Write the proportion equation
   67,768 : 147,056 = 147,056 : x
2. Step 2: Convert to fraction form
   67,768/147,056 = 147,056/x
3. Step 3: Cross multiply
   67,768x = 147,056 × 147,056
4. Step 4: Simplify right side
   67,768x = 21,625,467,136
5. Step 5: Solve for x
   x = 21,625,467,136/67,768
6. Step 6: Final answer
   x = 319,110.30