Finding the Third Proportional to 523,665 and 800,715.38

Step by Step Solution

1. Step 1: Write the proportion equation
   523,665 : 800,715.38 = 800,715.38 : x
2. Step 2: Convert to fraction form
   523,665/800,715.38 = 800,715.38/x
3. Step 3: Cross multiply
   523,665x = 800,715.38 × 800,715.38
4. Step 4: Simplify right side
   523,665x = 641,145,111,761.39
5. Step 5: Solve for x
   x = 641,145,111,761.39/523,665
6. Step 6: Final answer
   x = 1,224,342.11