Finding the Third Proportional to 839,178 and 1,301,778

Step by Step Solution

1. Step 1: Write the proportion equation
   839,178 : 1,301,778 = 1,301,778 : x
2. Step 2: Convert to fraction form
   839,178/1,301,778 = 1,301,778/x
3. Step 3: Cross multiply
   839,178x = 1,301,778 × 1,301,778
4. Step 4: Simplify right side
   839,178x = 1,694,625,961,284
5. Step 5: Solve for x
   x = 1,694,625,961,284/839,178
6. Step 6: Final answer
   x = 2,019,387.97