Finding the Third Proportional to 1,779,617 and 4,199,171

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779,617 : 4,199,171 = 4,199,171 : x
2. Step 2: Convert to fraction form
   1,779,617/4,199,171 = 4,199,171/x
3. Step 3: Cross multiply
   1,779,617x = 4,199,171 × 4,199,171
4. Step 4: Simplify right side
   1,779,617x = 17,633,037,087,241
5. Step 5: Solve for x
   x = 17,633,037,087,241/1,779,617
6. Step 6: Final answer
   x = 9,908,332.57