Finding the Third Proportional to 4,687,789 and 7,044,166

Step by Step Solution

1. Step 1: Write the proportion equation
   4,687,789 : 7,044,166 = 7,044,166 : x
2. Step 2: Convert to fraction form
   4,687,789/7,044,166 = 7,044,166/x
3. Step 3: Cross multiply
   4,687,789x = 7,044,166 × 7,044,166
4. Step 4: Simplify right side
   4,687,789x = 49,620,274,635,556
5. Step 5: Solve for x
   x = 49,620,274,635,556/4,687,789
6. Step 6: Final answer
   x = 10,585,005.99