Finding the Third Proportional to 608,518 and 1,298,486

Step by Step Solution

1. Step 1: Write the proportion equation
   608,518 : 1,298,486 = 1,298,486 : x
2. Step 2: Convert to fraction form
   608,518/1,298,486 = 1,298,486/x
3. Step 3: Cross multiply
   608,518x = 1,298,486 × 1,298,486
4. Step 4: Simplify right side
   608,518x = 1,686,065,892,196
5. Step 5: Solve for x
   x = 1,686,065,892,196/608,518
6. Step 6: Final answer
   x = 2,770,774.06