Finding the Third Proportional to 72,868 and 156,913

Step by Step Solution

1. Step 1: Write the proportion equation
   72,868 : 156,913 = 156,913 : x
2. Step 2: Convert to fraction form
   72,868/156,913 = 156,913/x
3. Step 3: Cross multiply
   72,868x = 156,913 × 156,913
4. Step 4: Simplify right side
   72,868x = 24,621,689,569
5. Step 5: Solve for x
   x = 24,621,689,569/72,868
6. Step 6: Final answer
   x = 337,894.41