Finding the Third Proportional to 72,945 and 104,310

Step by Step Solution

1. Step 1: Write the proportion equation
   72,945 : 104,310 = 104,310 : x
2. Step 2: Convert to fraction form
   72,945/104,310 = 104,310/x
3. Step 3: Cross multiply
   72,945x = 104,310 × 104,310
4. Step 4: Simplify right side
   72,945x = 10,880,576,100
5. Step 5: Solve for x
   x = 10,880,576,100/72,945
6. Step 6: Final answer
   x = 149,161.37