Finding the Third Proportional to 1,660,340 and 2,431,299

Step by Step Solution

1. Step 1: Write the proportion equation
   1,660,340 : 2,431,299 = 2,431,299 : x
2. Step 2: Convert to fraction form
   1,660,340/2,431,299 = 2,431,299/x
3. Step 3: Cross multiply
   1,660,340x = 2,431,299 × 2,431,299
4. Step 4: Simplify right side
   1,660,340x = 5,911,214,827,401
5. Step 5: Solve for x
   x = 5,911,214,827,401/1,660,340
6. Step 6: Final answer
   x = 3,560,243.58