Finding the Third Proportional to 516,424 and 1,118,605

Step by Step Solution

1. Step 1: Write the proportion equation
   516,424 : 1,118,605 = 1,118,605 : x
2. Step 2: Convert to fraction form
   516,424/1,118,605 = 1,118,605/x
3. Step 3: Cross multiply
   516,424x = 1,118,605 × 1,118,605
4. Step 4: Simplify right side
   516,424x = 1,251,277,146,025
5. Step 5: Solve for x
   x = 1,251,277,146,025/516,424
6. Step 6: Final answer
   x = 2,422,964.75