Finding the Third Proportional to 90,816 and 122,064

Step by Step Solution

1. Step 1: Write the proportion equation
   90,816 : 122,064 = 122,064 : x
2. Step 2: Convert to fraction form
   90,816/122,064 = 122,064/x
3. Step 3: Cross multiply
   90,816x = 122,064 × 122,064
4. Step 4: Simplify right side
   90,816x = 14,899,620,096
5. Step 5: Solve for x
   x = 14,899,620,096/90,816
6. Step 6: Final answer
   x = 164,063.82