Finding the Third Proportional to 79,351 and 105,310

Step by Step Solution

1. Step 1: Write the proportion equation
   79,351 : 105,310 = 105,310 : x
2. Step 2: Convert to fraction form
   79,351/105,310 = 105,310/x
3. Step 3: Cross multiply
   79,351x = 105,310 × 105,310
4. Step 4: Simplify right side
   79,351x = 11,090,196,100
5. Step 5: Solve for x
   x = 11,090,196,100/79,351
6. Step 6: Final answer
   x = 139,761.26