Finding the Third Proportional to 917,860 and 1,945,116

Step by Step Solution

1. Step 1: Write the proportion equation
   917,860 : 1,945,116 = 1,945,116 : x
2. Step 2: Convert to fraction form
   917,860/1,945,116 = 1,945,116/x
3. Step 3: Cross multiply
   917,860x = 1,945,116 × 1,945,116
4. Step 4: Simplify right side
   917,860x = 3,783,476,253,456
5. Step 5: Solve for x
   x = 3,783,476,253,456/917,860
6. Step 6: Final answer
   x = 4,122,062.46