Finding the Third Proportional to 917,904 and 1,322,040

Step by Step Solution

1. Step 1: Write the proportion equation
   917,904 : 1,322,040 = 1,322,040 : x
2. Step 2: Convert to fraction form
   917,904/1,322,040 = 1,322,040/x
3. Step 3: Cross multiply
   917,904x = 1,322,040 × 1,322,040
4. Step 4: Simplify right side
   917,904x = 1,747,789,761,600
5. Step 5: Solve for x
   x = 1,747,789,761,600/917,904
6. Step 6: Final answer
   x = 1,904,109.54