Finding the Third Proportional to 72,706 and 156,536

Step by Step Solution

1. Step 1: Write the proportion equation
   72,706 : 156,536 = 156,536 : x
2. Step 2: Convert to fraction form
   72,706/156,536 = 156,536/x
3. Step 3: Cross multiply
   72,706x = 156,536 × 156,536
4. Step 4: Simplify right side
   72,706x = 24,503,519,296
5. Step 5: Solve for x
   x = 24,503,519,296/72,706
6. Step 6: Final answer
   x = 337,021.97