Finding the Third Proportional to 425,397 and 659,010

Step by Step Solution

1. Step 1: Write the proportion equation
   425,397 : 659,010 = 659,010 : x
2. Step 2: Convert to fraction form
   425,397/659,010 = 659,010/x
3. Step 3: Cross multiply
   425,397x = 659,010 × 659,010
4. Step 4: Simplify right side
   425,397x = 434,294,180,100
5. Step 5: Solve for x
   x = 434,294,180,100/425,397
6. Step 6: Final answer
   x = 1,020,915.00