Finding the Third Proportional to 1,139,564 and 2,431,654

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,564 : 2,431,654 = 2,431,654 : x
2. Step 2: Convert to fraction form
   1,139,564/2,431,654 = 2,431,654/x
3. Step 3: Cross multiply
   1,139,564x = 2,431,654 × 2,431,654
4. Step 4: Simplify right side
   1,139,564x = 5,912,941,175,716
5. Step 5: Solve for x
   x = 5,912,941,175,716/1,139,564
6. Step 6: Final answer
   x = 5,188,774.98