Finding the Third Proportional to 47,423 and 100,687

Step by Step Solution

1. Step 1: Write the proportion equation
   47,423 : 100,687 = 100,687 : x
2. Step 2: Convert to fraction form
   47,423/100,687 = 100,687/x
3. Step 3: Cross multiply
   47,423x = 100,687 × 100,687
4. Step 4: Simplify right side
   47,423x = 10,137,871,969
5. Step 5: Solve for x
   x = 10,137,871,969/47,423
6. Step 6: Final answer
   x = 213,775.42