Finding the Third Proportional to 603,667.50 and 1,256,835

Step by Step Solution

1. Step 1: Write the proportion equation
   603,667.50 : 1,256,835 = 1,256,835 : x
2. Step 2: Convert to fraction form
   603,667.50/1,256,835 = 1,256,835/x
3. Step 3: Cross multiply
   603,667.50x = 1,256,835 × 1,256,835
4. Step 4: Simplify right side
   603,667.50x = 1,579,634,217,225
5. Step 5: Solve for x
   x = 1,579,634,217,225/603,667.50
6. Step 6: Final answer
   x = 2,616,728.94