Finding the Third Proportional to 47,389.50 and 100,215

Step by Step Solution

1. Step 1: Write the proportion equation
   47,389.50 : 100,215 = 100,215 : x
2. Step 2: Convert to fraction form
   47,389.50/100,215 = 100,215/x
3. Step 3: Cross multiply
   47,389.50x = 100,215 × 100,215
4. Step 4: Simplify right side
   47,389.50x = 10,043,046,225
5. Step 5: Solve for x
   x = 10,043,046,225/47,389.50
6. Step 6: Final answer
   x = 211,925.56