Finding the Third Proportional to 412,049 and 855,678.50

Step by Step Solution

1. Step 1: Write the proportion equation
   412,049 : 855,678.50 = 855,678.50 : x
2. Step 2: Convert to fraction form
   412,049/855,678.50 = 855,678.50/x
3. Step 3: Cross multiply
   412,049x = 855,678.50 × 855,678.50
4. Step 4: Simplify right side
   412,049x = 732,185,695,362.25
5. Step 5: Solve for x
   x = 732,185,695,362.25/412,049
6. Step 6: Final answer
   x = 1,776,938.41