Finding the Third Proportional to 71,564 and 105,158

Step by Step Solution

1. Step 1: Write the proportion equation
   71,564 : 105,158 = 105,158 : x
2. Step 2: Convert to fraction form
   71,564/105,158 = 105,158/x
3. Step 3: Cross multiply
   71,564x = 105,158 × 105,158
4. Step 4: Simplify right side
   71,564x = 11,058,204,964
5. Step 5: Solve for x
   x = 11,058,204,964/71,564
6. Step 6: Final answer
   x = 154,521.90