Finding the Third Proportional to 1,287,051 and 2,821,370

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,051 : 2,821,370 = 2,821,370 : x
2. Step 2: Convert to fraction form
   1,287,051/2,821,370 = 2,821,370/x
3. Step 3: Cross multiply
   1,287,051x = 2,821,370 × 2,821,370
4. Step 4: Simplify right side
   1,287,051x = 7,960,128,676,900
5. Step 5: Solve for x
   x = 7,960,128,676,900/1,287,051
6. Step 6: Final answer
   x = 6,184,781.08