Finding the Third Proportional to 485,293 and 1,020,770

Step by Step Solution

1. Step 1: Write the proportion equation
   485,293 : 1,020,770 = 1,020,770 : x
2. Step 2: Convert to fraction form
   485,293/1,020,770 = 1,020,770/x
3. Step 3: Cross multiply
   485,293x = 1,020,770 × 1,020,770
4. Step 4: Simplify right side
   485,293x = 1,041,971,392,900
5. Step 5: Solve for x
   x = 1,041,971,392,900/485,293
6. Step 6: Final answer
   x = 2,147,097.51