Finding the Third Proportional to 612,165 and 1,298,436

Step by Step Solution

1. Step 1: Write the proportion equation
   612,165 : 1,298,436 = 1,298,436 : x
2. Step 2: Convert to fraction form
   612,165/1,298,436 = 1,298,436/x
3. Step 3: Cross multiply
   612,165x = 1,298,436 × 1,298,436
4. Step 4: Simplify right side
   612,165x = 1,685,936,046,096
5. Step 5: Solve for x
   x = 1,685,936,046,096/612,165
6. Step 6: Final answer
   x = 2,754,054.95