Finding the Third Proportional to 518,914 and 1,139,984

Step by Step Solution

1. Step 1: Write the proportion equation
   518,914 : 1,139,984 = 1,139,984 : x
2. Step 2: Convert to fraction form
   518,914/1,139,984 = 1,139,984/x
3. Step 3: Cross multiply
   518,914x = 1,139,984 × 1,139,984
4. Step 4: Simplify right side
   518,914x = 1,299,563,520,256
5. Step 5: Solve for x
   x = 1,299,563,520,256/518,914
6. Step 6: Final answer
   x = 2,504,390.94