Finding the Third Proportional to 272,674.50 and 570,405

Step by Step Solution

1. Step 1: Write the proportion equation
   272,674.50 : 570,405 = 570,405 : x
2. Step 2: Convert to fraction form
   272,674.50/570,405 = 570,405/x
3. Step 3: Cross multiply
   272,674.50x = 570,405 × 570,405
4. Step 4: Simplify right side
   272,674.50x = 325,361,864,025
5. Step 5: Solve for x
   x = 325,361,864,025/272,674.50
6. Step 6: Final answer
   x = 1,193,224.39