Finding the Third Proportional to 1,872,168 and 4,042,656

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872,168 : 4,042,656 = 4,042,656 : x
2. Step 2: Convert to fraction form
   1,872,168/4,042,656 = 4,042,656/x
3. Step 3: Cross multiply
   1,872,168x = 4,042,656 × 4,042,656
4. Step 4: Simplify right side
   1,872,168x = 16,343,067,534,336
5. Step 5: Solve for x
   x = 16,343,067,534,336/1,872,168
6. Step 6: Final answer
   x = 8,729,487.70