Finding the Third Proportional to 261,432 and 570,836.25

Step by Step Solution

1. Step 1: Write the proportion equation
   261,432 : 570,836.25 = 570,836.25 : x
2. Step 2: Convert to fraction form
   261,432/570,836.25 = 570,836.25/x
3. Step 3: Cross multiply
   261,432x = 570,836.25 × 570,836.25
4. Step 4: Simplify right side
   261,432x = 325,854,024,314.06
5. Step 5: Solve for x
   x = 325,854,024,314.06/261,432
6. Step 6: Final answer
   x = 1,246,419.81