Finding the Third Proportional to 90,926 and 122,310

Step by Step Solution

1. Step 1: Write the proportion equation
   90,926 : 122,310 = 122,310 : x
2. Step 2: Convert to fraction form
   90,926/122,310 = 122,310/x
3. Step 3: Cross multiply
   90,926x = 122,310 × 122,310
4. Step 4: Simplify right side
   90,926x = 14,959,736,100
5. Step 5: Solve for x
   x = 14,959,736,100/90,926
6. Step 6: Final answer
   x = 164,526.50