Finding the Third Proportional to 260,406 and 570,672

Step by Step Solution

1. Step 1: Write the proportion equation
   260,406 : 570,672 = 570,672 : x
2. Step 2: Convert to fraction form
   260,406/570,672 = 570,672/x
3. Step 3: Cross multiply
   260,406x = 570,672 × 570,672
4. Step 4: Simplify right side
   260,406x = 325,666,531,584
5. Step 5: Solve for x
   x = 325,666,531,584/260,406
6. Step 6: Final answer
   x = 1,250,610.71