Finding the Third Proportional to 858,710 and 1,864,948

Step by Step Solution

1. Step 1: Write the proportion equation
   858,710 : 1,864,948 = 1,864,948 : x
2. Step 2: Convert to fraction form
   858,710/1,864,948 = 1,864,948/x
3. Step 3: Cross multiply
   858,710x = 1,864,948 × 1,864,948
4. Step 4: Simplify right side
   858,710x = 3,478,031,042,704
5. Step 5: Solve for x
   x = 3,478,031,042,704/858,710
6. Step 6: Final answer
   x = 4,050,297.59