Finding the Third Proportional to 917,856 and 1,945,107

Step by Step Solution

1. Step 1: Write the proportion equation
   917,856 : 1,945,107 = 1,945,107 : x
2. Step 2: Convert to fraction form
   917,856/1,945,107 = 1,945,107/x
3. Step 3: Cross multiply
   917,856x = 1,945,107 × 1,945,107
4. Step 4: Simplify right side
   917,856x = 3,783,441,241,449
5. Step 5: Solve for x
   x = 3,783,441,241,449/917,856
6. Step 6: Final answer
   x = 4,122,042.28