Finding the Third Proportional to 610,300 and 1,336,860

Step by Step Solution

1. Step 1: Write the proportion equation
   610,300 : 1,336,860 = 1,336,860 : x
2. Step 2: Convert to fraction form
   610,300/1,336,860 = 1,336,860/x
3. Step 3: Cross multiply
   610,300x = 1,336,860 × 1,336,860
4. Step 4: Simplify right side
   610,300x = 1,787,194,659,600
5. Step 5: Solve for x
   x = 1,787,194,659,600/610,300
6. Step 6: Final answer
   x = 2,928,387.12