Finding the Third Proportional to 779,074 and 1,217,819

Step by Step Solution

1. Step 1: Write the proportion equation
   779,074 : 1,217,819 = 1,217,819 : x
2. Step 2: Convert to fraction form
   779,074/1,217,819 = 1,217,819/x
3. Step 3: Cross multiply
   779,074x = 1,217,819 × 1,217,819
4. Step 4: Simplify right side
   779,074x = 1,483,083,116,761
5. Step 5: Solve for x
   x = 1,483,083,116,761/779,074
6. Step 6: Final answer
   x = 1,903,648.58