Finding the Third Proportional to 47,390.50 and 100,217

Step by Step Solution

1. Step 1: Write the proportion equation
   47,390.50 : 100,217 = 100,217 : x
2. Step 2: Convert to fraction form
   47,390.50/100,217 = 100,217/x
3. Step 3: Cross multiply
   47,390.50x = 100,217 × 100,217
4. Step 4: Simplify right side
   47,390.50x = 10,043,447,089
5. Step 5: Solve for x
   x = 10,043,447,089/47,390.50
6. Step 6: Final answer
   x = 211,929.54