Finding the Third Proportional to 500,661 and 1,042,758

Step by Step Solution

1. Step 1: Write the proportion equation
   500,661 : 1,042,758 = 1,042,758 : x
2. Step 2: Convert to fraction form
   500,661/1,042,758 = 1,042,758/x
3. Step 3: Cross multiply
   500,661x = 1,042,758 × 1,042,758
4. Step 4: Simplify right side
   500,661x = 1,087,344,246,564
5. Step 5: Solve for x
   x = 1,087,344,246,564/500,661
6. Step 6: Final answer
   x = 2,171,817.35