Finding the Third Proportional to 215,372 and 473,530

Step by Step Solution

1. Step 1: Write the proportion equation
   215,372 : 473,530 = 473,530 : x
2. Step 2: Convert to fraction form
   215,372/473,530 = 473,530/x
3. Step 3: Cross multiply
   215,372x = 473,530 × 473,530
4. Step 4: Simplify right side
   215,372x = 224,230,660,900
5. Step 5: Solve for x
   x = 224,230,660,900/215,372
6. Step 6: Final answer
   x = 1,041,131.91