Finding the Third Proportional to 1,087,730 and 2,390,812

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087,730 : 2,390,812 = 2,390,812 : x
2. Step 2: Convert to fraction form
   1,087,730/2,390,812 = 2,390,812/x
3. Step 3: Cross multiply
   1,087,730x = 2,390,812 × 2,390,812
4. Step 4: Simplify right side
   1,087,730x = 5,715,982,019,344
5. Step 5: Solve for x
   x = 5,715,982,019,344/1,087,730
6. Step 6: Final answer
   x = 5,254,964.03