Finding the Third Proportional to 904,258 and 1,398,892

Step by Step Solution

1. Step 1: Write the proportion equation
   904,258 : 1,398,892 = 1,398,892 : x
2. Step 2: Convert to fraction form
   904,258/1,398,892 = 1,398,892/x
3. Step 3: Cross multiply
   904,258x = 1,398,892 × 1,398,892
4. Step 4: Simplify right side
   904,258x = 1,956,898,827,664
5. Step 5: Solve for x
   x = 1,956,898,827,664/904,258
6. Step 6: Final answer
   x = 2,164,093.46