Finding the Third Proportional to 658,698 and 1,417,260

Step by Step Solution

1. Step 1: Write the proportion equation
   658,698 : 1,417,260 = 1,417,260 : x
2. Step 2: Convert to fraction form
   658,698/1,417,260 = 1,417,260/x
3. Step 3: Cross multiply
   658,698x = 1,417,260 × 1,417,260
4. Step 4: Simplify right side
   658,698x = 2,008,625,907,600
5. Step 5: Solve for x
   x = 2,008,625,907,600/658,698
6. Step 6: Final answer
   x = 3,049,388.20