Finding the Third Proportional to 1,779,615 and 4,199,166

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779,615 : 4,199,166 = 4,199,166 : x
2. Step 2: Convert to fraction form
   1,779,615/4,199,166 = 4,199,166/x
3. Step 3: Cross multiply
   1,779,615x = 4,199,166 × 4,199,166
4. Step 4: Simplify right side
   1,779,615x = 17,632,995,095,556
5. Step 5: Solve for x
   x = 17,632,995,095,556/1,779,615
6. Step 6: Final answer
   x = 9,908,320.11