Finding the Third Proportional to 554,985 and 1,196,361

Step by Step Solution

1. Step 1: Write the proportion equation
   554,985 : 1,196,361 = 1,196,361 : x
2. Step 2: Convert to fraction form
   554,985/1,196,361 = 1,196,361/x
3. Step 3: Cross multiply
   554,985x = 1,196,361 × 1,196,361
4. Step 4: Simplify right side
   554,985x = 1,431,279,642,321
5. Step 5: Solve for x
   x = 1,431,279,642,321/554,985
6. Step 6: Final answer
   x = 2,578,951.94