Finding the Third Proportional to 72,692 and 156,520

Step by Step Solution

1. Step 1: Write the proportion equation
   72,692 : 156,520 = 156,520 : x
2. Step 2: Convert to fraction form
   72,692/156,520 = 156,520/x
3. Step 3: Cross multiply
   72,692x = 156,520 × 156,520
4. Step 4: Simplify right side
   72,692x = 24,498,510,400
5. Step 5: Solve for x
   x = 24,498,510,400/72,692
6. Step 6: Final answer
   x = 337,017.97