Finding the Third Proportional to 855,791 and 1,196,388

Step by Step Solution

1. Step 1: Write the proportion equation
   855,791 : 1,196,388 = 1,196,388 : x
2. Step 2: Convert to fraction form
   855,791/1,196,388 = 1,196,388/x
3. Step 3: Cross multiply
   855,791x = 1,196,388 × 1,196,388
4. Step 4: Simplify right side
   855,791x = 1,431,344,246,544
5. Step 5: Solve for x
   x = 1,431,344,246,544/855,791
6. Step 6: Final answer
   x = 1,672,539.49