Finding the Third Proportional to 90,722 and 194,560

Step by Step Solution

1. Step 1: Write the proportion equation
   90,722 : 194,560 = 194,560 : x
2. Step 2: Convert to fraction form
   90,722/194,560 = 194,560/x
3. Step 3: Cross multiply
   90,722x = 194,560 × 194,560
4. Step 4: Simplify right side
   90,722x = 37,853,593,600
5. Step 5: Solve for x
   x = 37,853,593,600/90,722
6. Step 6: Final answer
   x = 417,248.23