Finding the Third Proportional to 904,256 and 1,398,889

Step by Step Solution

1. Step 1: Write the proportion equation
   904,256 : 1,398,889 = 1,398,889 : x
2. Step 2: Convert to fraction form
   904,256/1,398,889 = 1,398,889/x
3. Step 3: Cross multiply
   904,256x = 1,398,889 × 1,398,889
4. Step 4: Simplify right side
   904,256x = 1,956,890,434,321
5. Step 5: Solve for x
   x = 1,956,890,434,321/904,256
6. Step 6: Final answer
   x = 2,164,088.97