Finding the Third Proportional to 516,239 and 1,107,189

Step by Step Solution

1. Step 1: Write the proportion equation
   516,239 : 1,107,189 = 1,107,189 : x
2. Step 2: Convert to fraction form
   516,239/1,107,189 = 1,107,189/x
3. Step 3: Cross multiply
   516,239x = 1,107,189 × 1,107,189
4. Step 4: Simplify right side
   516,239x = 1,225,867,481,721
5. Step 5: Solve for x
   x = 1,225,867,481,721/516,239
6. Step 6: Final answer
   x = 2,374,612.31