Finding the Third Proportional to 72,776 and 151,696

Step by Step Solution

1. Step 1: Write the proportion equation
   72,776 : 151,696 = 151,696 : x
2. Step 2: Convert to fraction form
   72,776/151,696 = 151,696/x
3. Step 3: Cross multiply
   72,776x = 151,696 × 151,696
4. Step 4: Simplify right side
   72,776x = 23,011,676,416
5. Step 5: Solve for x
   x = 23,011,676,416/72,776
6. Step 6: Final answer
   x = 316,198.70