Finding the Third Proportional to 2,139,630 and 4,699,161

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,630 : 4,699,161 = 4,699,161 : x
2. Step 2: Convert to fraction form
   2,139,630/4,699,161 = 4,699,161/x
3. Step 3: Cross multiply
   2,139,630x = 4,699,161 × 4,699,161
4. Step 4: Simplify right side
   2,139,630x = 22,082,114,103,921
5. Step 5: Solve for x
   x = 22,082,114,103,921/2,139,630
6. Step 6: Final answer
   x = 10,320,529.30