Finding the Third Proportional to 1,249,720 and 2,689,304

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249,720 : 2,689,304 = 2,689,304 : x
2. Step 2: Convert to fraction form
   1,249,720/2,689,304 = 2,689,304/x
3. Step 3: Cross multiply
   1,249,720x = 2,689,304 × 2,689,304
4. Step 4: Simplify right side
   1,249,720x = 7,232,356,004,416
5. Step 5: Solve for x
   x = 7,232,356,004,416/1,249,720
6. Step 6: Final answer
   x = 5,787,181.13