Finding the Third Proportional to 612,162 and 1,298,430

Step by Step Solution

1. Step 1: Write the proportion equation
   612,162 : 1,298,430 = 1,298,430 : x
2. Step 2: Convert to fraction form
   612,162/1,298,430 = 1,298,430/x
3. Step 3: Cross multiply
   612,162x = 1,298,430 × 1,298,430
4. Step 4: Simplify right side
   612,162x = 1,685,920,464,900
5. Step 5: Solve for x
   x = 1,685,920,464,900/612,162
6. Step 6: Final answer
   x = 2,754,042.99