Finding the Third Proportional to 1,134,918 and 1,686,296

Step by Step Solution

1. Step 1: Write the proportion equation
   1,134,918 : 1,686,296 = 1,686,296 : x
2. Step 2: Convert to fraction form
   1,134,918/1,686,296 = 1,686,296/x
3. Step 3: Cross multiply
   1,134,918x = 1,686,296 × 1,686,296
4. Step 4: Simplify right side
   1,134,918x = 2,843,594,199,616
5. Step 5: Solve for x
   x = 2,843,594,199,616/1,134,918
6. Step 6: Final answer
   x = 2,505,550.36