Finding the Third Proportional to 853,152 and 1,866,992

Step by Step Solution

1. Step 1: Write the proportion equation
   853,152 : 1,866,992 = 1,866,992 : x
2. Step 2: Convert to fraction form
   853,152/1,866,992 = 1,866,992/x
3. Step 3: Cross multiply
   853,152x = 1,866,992 × 1,866,992
4. Step 4: Simplify right side
   853,152x = 3,485,659,128,064
5. Step 5: Solve for x
   x = 3,485,659,128,064/853,152
6. Step 6: Final answer
   x = 4,085,624.99