Finding the Third Proportional to 90,726 and 189,714

Step by Step Solution

1. Step 1: Write the proportion equation
   90,726 : 189,714 = 189,714 : x
2. Step 2: Convert to fraction form
   90,726/189,714 = 189,714/x
3. Step 3: Cross multiply
   90,726x = 189,714 × 189,714
4. Step 4: Simplify right side
   90,726x = 35,991,401,796
5. Step 5: Solve for x
   x = 35,991,401,796/90,726
6. Step 6: Final answer
   x = 396,704.38