Finding the Third Proportional to 858,572 and 1,864,768

Step by Step Solution

1. Step 1: Write the proportion equation
   858,572 : 1,864,768 = 1,864,768 : x
2. Step 2: Convert to fraction form
   858,572/1,864,768 = 1,864,768/x
3. Step 3: Cross multiply
   858,572x = 1,864,768 × 1,864,768
4. Step 4: Simplify right side
   858,572x = 3,477,359,693,824
5. Step 5: Solve for x
   x = 3,477,359,693,824/858,572
6. Step 6: Final answer
   x = 4,050,166.66