Finding the Third Proportional to 658,345 and 1,410,000

Step by Step Solution

1. Step 1: Write the proportion equation
   658,345 : 1,410,000 = 1,410,000 : x
2. Step 2: Convert to fraction form
   658,345/1,410,000 = 1,410,000/x
3. Step 3: Cross multiply
   658,345x = 1,410,000 × 1,410,000
4. Step 4: Simplify right side
   658,345x = 1,988,100,000,000
5. Step 5: Solve for x
   x = 1,988,100,000,000/658,345
6. Step 6: Final answer
   x = 3,019,845.22