Finding the Third Proportional to 860,016 and 1,336,128

Step by Step Solution

1. Step 1: Write the proportion equation
   860,016 : 1,336,128 = 1,336,128 : x
2. Step 2: Convert to fraction form
   860,016/1,336,128 = 1,336,128/x
3. Step 3: Cross multiply
   860,016x = 1,336,128 × 1,336,128
4. Step 4: Simplify right side
   860,016x = 1,785,238,032,384
5. Step 5: Solve for x
   x = 1,785,238,032,384/860,016
6. Step 6: Final answer
   x = 2,075,819.56