Finding the Third Proportional to 615,208 and 1,317,894

Step by Step Solution

1. Step 1: Write the proportion equation
   615,208 : 1,317,894 = 1,317,894 : x
2. Step 2: Convert to fraction form
   615,208/1,317,894 = 1,317,894/x
3. Step 3: Cross multiply
   615,208x = 1,317,894 × 1,317,894
4. Step 4: Simplify right side
   615,208x = 1,736,844,595,236
5. Step 5: Solve for x
   x = 1,736,844,595,236/615,208
6. Step 6: Final answer
   x = 2,823,182.72