Finding the Third Proportional to 618,076 and 1,283,521

Step by Step Solution

1. Step 1: Write the proportion equation
   618,076 : 1,283,521 = 1,283,521 : x
2. Step 2: Convert to fraction form
   618,076/1,283,521 = 1,283,521/x
3. Step 3: Cross multiply
   618,076x = 1,283,521 × 1,283,521
4. Step 4: Simplify right side
   618,076x = 1,647,426,157,441
5. Step 5: Solve for x
   x = 1,647,426,157,441/618,076
6. Step 6: Final answer
   x = 2,665,410.33