Finding the Third Proportional to 72,696 and 156,522

Step by Step Solution

1. Step 1: Write the proportion equation
   72,696 : 156,522 = 156,522 : x
2. Step 2: Convert to fraction form
   72,696/156,522 = 156,522/x
3. Step 3: Cross multiply
   72,696x = 156,522 × 156,522
4. Step 4: Simplify right side
   72,696x = 24,499,136,484
5. Step 5: Solve for x
   x = 24,499,136,484/72,696
6. Step 6: Final answer
   x = 337,008.04