Finding the Third Proportional to 1,040,174 and 1,553,397

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,174 : 1,553,397 = 1,553,397 : x
2. Step 2: Convert to fraction form
   1,040,174/1,553,397 = 1,553,397/x
3. Step 3: Cross multiply
   1,040,174x = 1,553,397 × 1,553,397
4. Step 4: Simplify right side
   1,040,174x = 2,413,042,239,609
5. Step 5: Solve for x
   x = 2,413,042,239,609/1,040,174
6. Step 6: Final answer
   x = 2,319,844.79