Finding the Third Proportional to 71,141 and 103,039

Step by Step Solution

1. Step 1: Write the proportion equation
   71,141 : 103,039 = 103,039 : x
2. Step 2: Convert to fraction form
   71,141/103,039 = 103,039/x
3. Step 3: Cross multiply
   71,141x = 103,039 × 103,039
4. Step 4: Simplify right side
   71,141x = 10,617,035,521
5. Step 5: Solve for x
   x = 10,617,035,521/71,141
6. Step 6: Final answer
   x = 149,239.33