Finding the Third Proportional to 858,602 and 1,864,696

Step by Step Solution

1. Step 1: Write the proportion equation
   858,602 : 1,864,696 = 1,864,696 : x
2. Step 2: Convert to fraction form
   858,602/1,864,696 = 1,864,696/x
3. Step 3: Cross multiply
   858,602x = 1,864,696 × 1,864,696
4. Step 4: Simplify right side
   858,602x = 3,477,091,172,416
5. Step 5: Solve for x
   x = 3,477,091,172,416/858,602
6. Step 6: Final answer
   x = 4,049,712.41