Finding the Third Proportional to 1,673,290 and 2,585,515

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673,290 : 2,585,515 = 2,585,515 : x
2. Step 2: Convert to fraction form
   1,673,290/2,585,515 = 2,585,515/x
3. Step 3: Cross multiply
   1,673,290x = 2,585,515 × 2,585,515
4. Step 4: Simplify right side
   1,673,290x = 6,684,887,815,225
5. Step 5: Solve for x
   x = 6,684,887,815,225/1,673,290
6. Step 6: Final answer
   x = 3,995,056.34