Finding the Third Proportional to 603,555 and 1,256,700

Step by Step Solution

1. Step 1: Write the proportion equation
   603,555 : 1,256,700 = 1,256,700 : x
2. Step 2: Convert to fraction form
   603,555/1,256,700 = 1,256,700/x
3. Step 3: Cross multiply
   603,555x = 1,256,700 × 1,256,700
4. Step 4: Simplify right side
   603,555x = 1,579,294,890,000
5. Step 5: Solve for x
   x = 1,579,294,890,000/603,555
6. Step 6: Final answer
   x = 2,616,654.47