Finding the Third Proportional to 1,302,663 and 2,828,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,302,663 : 2,828,142 = 2,828,142 : x
2. Step 2: Convert to fraction form
   1,302,663/2,828,142 = 2,828,142/x
3. Step 3: Cross multiply
   1,302,663x = 2,828,142 × 2,828,142
4. Step 4: Simplify right side
   1,302,663x = 7,998,387,172,164
5. Step 5: Solve for x
   x = 7,998,387,172,164/1,302,663
6. Step 6: Final answer
   x = 6,140,027.91