Finding the Third Proportional to 1,939,826 and 4,215,376

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939,826 : 4,215,376 = 4,215,376 : x
2. Step 2: Convert to fraction form
   1,939,826/4,215,376 = 4,215,376/x
3. Step 3: Cross multiply
   1,939,826x = 4,215,376 × 4,215,376
4. Step 4: Simplify right side
   1,939,826x = 17,769,394,821,376
5. Step 5: Solve for x
   x = 17,769,394,821,376/1,939,826
6. Step 6: Final answer
   x = 9,160,303.46