Finding the Third Proportional to 215,263 and 473,300

Step by Step Solution

1. Step 1: Write the proportion equation
   215,263 : 473,300 = 473,300 : x
2. Step 2: Convert to fraction form
   215,263/473,300 = 473,300/x
3. Step 3: Cross multiply
   215,263x = 473,300 × 473,300
4. Step 4: Simplify right side
   215,263x = 224,012,890,000
5. Step 5: Solve for x
   x = 224,012,890,000/215,263
6. Step 6: Final answer
   x = 1,040,647.44