Finding the Third Proportional to 1,284,663 and 2,766,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,663 : 2,766,642 = 2,766,642 : x
2. Step 2: Convert to fraction form
   1,284,663/2,766,642 = 2,766,642/x
3. Step 3: Cross multiply
   1,284,663x = 2,766,642 × 2,766,642
4. Step 4: Simplify right side
   1,284,663x = 7,654,307,956,164
5. Step 5: Solve for x
   x = 7,654,307,956,164/1,284,663
6. Step 6: Final answer
   x = 5,958,222.47