Finding the Third Proportional to 1,287,051 and 2,821,368

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,051 : 2,821,368 = 2,821,368 : x
2. Step 2: Convert to fraction form
   1,287,051/2,821,368 = 2,821,368/x
3. Step 3: Cross multiply
   1,287,051x = 2,821,368 × 2,821,368
4. Step 4: Simplify right side
   1,287,051x = 7,960,117,391,424
5. Step 5: Solve for x
   x = 7,960,117,391,424/1,287,051
6. Step 6: Final answer
   x = 6,184,772.31