Finding the Third Proportional to 56,136 and 131,164

Step by Step Solution

1. Step 1: Write the proportion equation
   56,136 : 131,164 = 131,164 : x
2. Step 2: Convert to fraction form
   56,136/131,164 = 131,164/x
3. Step 3: Cross multiply
   56,136x = 131,164 × 131,164
4. Step 4: Simplify right side
   56,136x = 17,203,994,896
5. Step 5: Solve for x
   x = 17,203,994,896/56,136
6. Step 6: Final answer
   x = 306,469.91