Finding the Third Proportional to 858,604 and 1,864,700

Step by Step Solution

1. Step 1: Write the proportion equation
   858,604 : 1,864,700 = 1,864,700 : x
2. Step 2: Convert to fraction form
   858,604/1,864,700 = 1,864,700/x
3. Step 3: Cross multiply
   858,604x = 1,864,700 × 1,864,700
4. Step 4: Simplify right side
   858,604x = 3,477,106,090,000
5. Step 5: Solve for x
   x = 3,477,106,090,000/858,604
6. Step 6: Final answer
   x = 4,049,720.35