Finding the Third Proportional to 213,112 and 473,520

Step by Step Solution

1. Step 1: Write the proportion equation
   213,112 : 473,520 = 473,520 : x
2. Step 2: Convert to fraction form
   213,112/473,520 = 473,520/x
3. Step 3: Cross multiply
   213,112x = 473,520 × 473,520
4. Step 4: Simplify right side
   213,112x = 224,221,190,400
5. Step 5: Solve for x
   x = 224,221,190,400/213,112
6. Step 6: Final answer
   x = 1,052,128.41