Finding the Third Proportional to 72,606 and 156,342

Step by Step Solution

1. Step 1: Write the proportion equation
   72,606 : 156,342 = 156,342 : x
2. Step 2: Convert to fraction form
   72,606/156,342 = 156,342/x
3. Step 3: Cross multiply
   72,606x = 156,342 × 156,342
4. Step 4: Simplify right side
   72,606x = 24,442,820,964
5. Step 5: Solve for x
   x = 24,442,820,964/72,606
6. Step 6: Final answer
   x = 336,650.15