Finding the Third Proportional to 1,040,172 and 1,553,394

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,172 : 1,553,394 = 1,553,394 : x
2. Step 2: Convert to fraction form
   1,040,172/1,553,394 = 1,553,394/x
3. Step 3: Cross multiply
   1,040,172x = 1,553,394 × 1,553,394
4. Step 4: Simplify right side
   1,040,172x = 2,413,032,919,236
5. Step 5: Solve for x
   x = 2,413,032,919,236/1,040,172
6. Step 6: Final answer
   x = 2,319,840.29