Finding the Third Proportional to 554,997 and 1,196,385

Step by Step Solution

1. Step 1: Write the proportion equation
   554,997 : 1,196,385 = 1,196,385 : x
2. Step 2: Convert to fraction form
   554,997/1,196,385 = 1,196,385/x
3. Step 3: Cross multiply
   554,997x = 1,196,385 × 1,196,385
4. Step 4: Simplify right side
   554,997x = 1,431,337,068,225
5. Step 5: Solve for x
   x = 1,431,337,068,225/554,997
6. Step 6: Final answer
   x = 2,578,999.65