Finding the Third Proportional to 559,228 and 1,215,656

Step by Step Solution

1. Step 1: Write the proportion equation
   559,228 : 1,215,656 = 1,215,656 : x
2. Step 2: Convert to fraction form
   559,228/1,215,656 = 1,215,656/x
3. Step 3: Cross multiply
   559,228x = 1,215,656 × 1,215,656
4. Step 4: Simplify right side
   559,228x = 1,477,819,510,336
5. Step 5: Solve for x
   x = 1,477,819,510,336/559,228
6. Step 6: Final answer
   x = 2,642,606.43