Finding the Third Proportional to 819,174 and 1,228,760

Step by Step Solution

1. Step 1: Write the proportion equation
   819,174 : 1,228,760 = 1,228,760 : x
2. Step 2: Convert to fraction form
   819,174/1,228,760 = 1,228,760/x
3. Step 3: Cross multiply
   819,174x = 1,228,760 × 1,228,760
4. Step 4: Simplify right side
   819,174x = 1,509,851,137,600
5. Step 5: Solve for x
   x = 1,509,851,137,600/819,174
6. Step 6: Final answer
   x = 1,843,138.50