Finding the Third Proportional to 1,139,537 and 2,431,615

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,537 : 2,431,615 = 2,431,615 : x
2. Step 2: Convert to fraction form
   1,139,537/2,431,615 = 2,431,615/x
3. Step 3: Cross multiply
   1,139,537x = 2,431,615 × 2,431,615
4. Step 4: Simplify right side
   1,139,537x = 5,912,751,508,225
5. Step 5: Solve for x
   x = 5,912,751,508,225/1,139,537
6. Step 6: Final answer
   x = 5,188,731.48