Finding the Third Proportional to 1,040,169 and 1,553,389

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,169 : 1,553,389 = 1,553,389 : x
2. Step 2: Convert to fraction form
   1,040,169/1,553,389 = 1,553,389/x
3. Step 3: Cross multiply
   1,040,169x = 1,553,389 × 1,553,389
4. Step 4: Simplify right side
   1,040,169x = 2,413,017,385,321
5. Step 5: Solve for x
   x = 2,413,017,385,321/1,040,169
6. Step 6: Final answer
   x = 2,319,832.05