Finding the Third Proportional to 898,346 and 1,928,128

Step by Step Solution

1. Step 1: Write the proportion equation
   898,346 : 1,928,128 = 1,928,128 : x
2. Step 2: Convert to fraction form
   898,346/1,928,128 = 1,928,128/x
3. Step 3: Cross multiply
   898,346x = 1,928,128 × 1,928,128
4. Step 4: Simplify right side
   898,346x = 3,717,677,584,384
5. Step 5: Solve for x
   x = 3,717,677,584,384/898,346
6. Step 6: Final answer
   x = 4,138,358.25