Finding the Third Proportional to 660,128 and 1,443,904

Step by Step Solution

1. Step 1: Write the proportion equation
   660,128 : 1,443,904 = 1,443,904 : x
2. Step 2: Convert to fraction form
   660,128/1,443,904 = 1,443,904/x
3. Step 3: Cross multiply
   660,128x = 1,443,904 × 1,443,904
4. Step 4: Simplify right side
   660,128x = 2,084,858,761,216
5. Step 5: Solve for x
   x = 2,084,858,761,216/660,128
6. Step 6: Final answer
   x = 3,158,264.40