Finding the Third Proportional to 554,136 and 1,196,872

Step by Step Solution

1. Step 1: Write the proportion equation
   554,136 : 1,196,872 = 1,196,872 : x
2. Step 2: Convert to fraction form
   554,136/1,196,872 = 1,196,872/x
3. Step 3: Cross multiply
   554,136x = 1,196,872 × 1,196,872
4. Step 4: Simplify right side
   554,136x = 1,432,502,584,384
5. Step 5: Solve for x
   x = 1,432,502,584,384/554,136
6. Step 6: Final answer
   x = 2,585,110.13