Finding the Third Proportional to 47,390 and 100,612

Step by Step Solution

1. Step 1: Write the proportion equation
   47,390 : 100,612 = 100,612 : x
2. Step 2: Convert to fraction form
   47,390/100,612 = 100,612/x
3. Step 3: Cross multiply
   47,390x = 100,612 × 100,612
4. Step 4: Simplify right side
   47,390x = 10,122,774,544
5. Step 5: Solve for x
   x = 10,122,774,544/47,390
6. Step 6: Final answer
   x = 213,605.71