Finding the Third Proportional to 1,662,144 and 3,604,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,144 : 3,604,128 = 3,604,128 : x
2. Step 2: Convert to fraction form
   1,662,144/3,604,128 = 3,604,128/x
3. Step 3: Cross multiply
   1,662,144x = 3,604,128 × 3,604,128
4. Step 4: Simplify right side
   1,662,144x = 12,989,738,640,384
5. Step 5: Solve for x
   x = 12,989,738,640,384/1,662,144
6. Step 6: Final answer
   x = 7,815,050.10