Finding the Third Proportional to 63,456 and 89,136

Step by Step Solution

1. Step 1: Write the proportion equation
   63,456 : 89,136 = 89,136 : x
2. Step 2: Convert to fraction form
   63,456/89,136 = 89,136/x
3. Step 3: Cross multiply
   63,456x = 89,136 × 89,136
4. Step 4: Simplify right side
   63,456x = 7,945,226,496
5. Step 5: Solve for x
   x = 7,945,226,496/63,456
6. Step 6: Final answer
   x = 125,208.44