Finding the Third Proportional to 516,223 and 1,107,155

Step by Step Solution

1. Step 1: Write the proportion equation
   516,223 : 1,107,155 = 1,107,155 : x
2. Step 2: Convert to fraction form
   516,223/1,107,155 = 1,107,155/x
3. Step 3: Cross multiply
   516,223x = 1,107,155 × 1,107,155
4. Step 4: Simplify right side
   516,223x = 1,225,792,194,025
5. Step 5: Solve for x
   x = 1,225,792,194,025/516,223
6. Step 6: Final answer
   x = 2,374,540.06