Finding the Third Proportional to 917,319 and 1,945,644

Step by Step Solution

1. Step 1: Write the proportion equation
   917,319 : 1,945,644 = 1,945,644 : x
2. Step 2: Convert to fraction form
   917,319/1,945,644 = 1,945,644/x
3. Step 3: Cross multiply
   917,319x = 1,945,644 × 1,945,644
4. Step 4: Simplify right side
   917,319x = 3,785,530,574,736
5. Step 5: Solve for x
   x = 3,785,530,574,736/917,319
6. Step 6: Final answer
   x = 4,126,732.98