Finding the Third Proportional to 1,555,159 and 3,409,255

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,159 : 3,409,255 = 3,409,255 : x
2. Step 2: Convert to fraction form
   1,555,159/3,409,255 = 3,409,255/x
3. Step 3: Cross multiply
   1,555,159x = 3,409,255 × 3,409,255
4. Step 4: Simplify right side
   1,555,159x = 11,623,019,655,025
5. Step 5: Solve for x
   x = 11,623,019,655,025/1,555,159
6. Step 6: Final answer
   x = 7,473,846.50