Finding the Third Proportional to 1,609,920 and 3,352,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609,920 : 3,352,128 = 3,352,128 : x
2. Step 2: Convert to fraction form
   1,609,920/3,352,128 = 3,352,128/x
3. Step 3: Cross multiply
   1,609,920x = 3,352,128 × 3,352,128
4. Step 4: Simplify right side
   1,609,920x = 11,236,762,128,384
5. Step 5: Solve for x
   x = 11,236,762,128,384/1,609,920
6. Step 6: Final answer
   x = 6,979,702.18