Finding the Third Proportional to 72,258 and 156,747

Step by Step Solution

1. Step 1: Write the proportion equation
   72,258 : 156,747 = 156,747 : x
2. Step 2: Convert to fraction form
   72,258/156,747 = 156,747/x
3. Step 3: Cross multiply
   72,258x = 156,747 × 156,747
4. Step 4: Simplify right side
   72,258x = 24,569,622,009
5. Step 5: Solve for x
   x = 24,569,622,009/72,258
6. Step 6: Final answer
   x = 340,026.32