Finding the Third Proportional to 1,712,290 and 3,689,481

Step by Step Solution

1. Step 1: Write the proportion equation
   1,712,290 : 3,689,481 = 3,689,481 : x
2. Step 2: Convert to fraction form
   1,712,290/3,689,481 = 3,689,481/x
3. Step 3: Cross multiply
   1,712,290x = 3,689,481 × 3,689,481
4. Step 4: Simplify right side
   1,712,290x = 13,612,270,049,361
5. Step 5: Solve for x
   x = 13,612,270,049,361/1,712,290
6. Step 6: Final answer
   x = 7,949,745.69