Finding the Third Proportional to 1,779,654 and 4,199,259

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779,654 : 4,199,259 = 4,199,259 : x
2. Step 2: Convert to fraction form
   1,779,654/4,199,259 = 4,199,259/x
3. Step 3: Cross multiply
   1,779,654x = 4,199,259 × 4,199,259
4. Step 4: Simplify right side
   1,779,654x = 17,633,776,149,081
5. Step 5: Solve for x
   x = 17,633,776,149,081/1,779,654
6. Step 6: Final answer
   x = 9,908,541.86