Finding the Third Proportional to 939,722 and 1,431,615

Step by Step Solution

1. Step 1: Write the proportion equation
   939,722 : 1,431,615 = 1,431,615 : x
2. Step 2: Convert to fraction form
   939,722/1,431,615 = 1,431,615/x
3. Step 3: Cross multiply
   939,722x = 1,431,615 × 1,431,615
4. Step 4: Simplify right side
   939,722x = 2,049,521,508,225
5. Step 5: Solve for x
   x = 2,049,521,508,225/939,722
6. Step 6: Final answer
   x = 2,180,987.05