Finding the Third Proportional to 90,147 and 194,750

Step by Step Solution

1. Step 1: Write the proportion equation
   90,147 : 194,750 = 194,750 : x
2. Step 2: Convert to fraction form
   90,147/194,750 = 194,750/x
3. Step 3: Cross multiply
   90,147x = 194,750 × 194,750
4. Step 4: Simplify right side
   90,147x = 37,927,562,500
5. Step 5: Solve for x
   x = 37,927,562,500/90,147
6. Step 6: Final answer
   x = 420,730.17