Finding the Third Proportional to 853,064 and 1,866,832

Step by Step Solution

1. Step 1: Write the proportion equation
   853,064 : 1,866,832 = 1,866,832 : x
2. Step 2: Convert to fraction form
   853,064/1,866,832 = 1,866,832/x
3. Step 3: Cross multiply
   853,064x = 1,866,832 × 1,866,832
4. Step 4: Simplify right side
   853,064x = 3,485,061,716,224
5. Step 5: Solve for x
   x = 3,485,061,716,224/853,064
6. Step 6: Final answer
   x = 4,085,346.14