Finding the Third Proportional to 1,139,584 and 2,431,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,584 : 2,431,712 = 2,431,712 : x
2. Step 2: Convert to fraction form
   1,139,584/2,431,712 = 2,431,712/x
3. Step 3: Cross multiply
   1,139,584x = 2,431,712 × 2,431,712
4. Step 4: Simplify right side
   1,139,584x = 5,913,223,250,944
5. Step 5: Solve for x
   x = 5,913,223,250,944/1,139,584
6. Step 6: Final answer
   x = 5,188,931.44