Finding the Third Proportional to 1,873,872 and 4,166,928

Step by Step Solution

1. Step 1: Write the proportion equation
   1,873,872 : 4,166,928 = 4,166,928 : x
2. Step 2: Convert to fraction form
   1,873,872/4,166,928 = 4,166,928/x
3. Step 3: Cross multiply
   1,873,872x = 4,166,928 × 4,166,928
4. Step 4: Simplify right side
   1,873,872x = 17,363,288,957,184
5. Step 5: Solve for x
   x = 17,363,288,957,184/1,873,872
6. Step 6: Final answer
   x = 9,265,995.20