Finding the Third Proportional to 858,297 and 1,864,086

Step by Step Solution

1. Step 1: Write the proportion equation
   858,297 : 1,864,086 = 1,864,086 : x
2. Step 2: Convert to fraction form
   858,297/1,864,086 = 1,864,086/x
3. Step 3: Cross multiply
   858,297x = 1,864,086 × 1,864,086
4. Step 4: Simplify right side
   858,297x = 3,474,816,615,396
5. Step 5: Solve for x
   x = 3,474,816,615,396/858,297
6. Step 6: Final answer
   x = 4,048,501.41