Finding the Third Proportional to 608,521 and 1,298,488

Step by Step Solution

1. Step 1: Write the proportion equation
   608,521 : 1,298,488 = 1,298,488 : x
2. Step 2: Convert to fraction form
   608,521/1,298,488 = 1,298,488/x
3. Step 3: Cross multiply
   608,521x = 1,298,488 × 1,298,488
4. Step 4: Simplify right side
   608,521x = 1,686,071,086,144
5. Step 5: Solve for x
   x = 1,686,071,086,144/608,521
6. Step 6: Final answer
   x = 2,770,768.94