Finding the Third Proportional to 74,609 and 105,469

Step by Step Solution

1. Step 1: Write the proportion equation
   74,609 : 105,469 = 105,469 : x
2. Step 2: Convert to fraction form
   74,609/105,469 = 105,469/x
3. Step 3: Cross multiply
   74,609x = 105,469 × 105,469
4. Step 4: Simplify right side
   74,609x = 11,123,709,961
5. Step 5: Solve for x
   x = 11,123,709,961/74,609
6. Step 6: Final answer
   x = 149,093.41