Finding the Third Proportional to 90,245 and 194,791

Step by Step Solution

1. Step 1: Write the proportion equation
   90,245 : 194,791 = 194,791 : x
2. Step 2: Convert to fraction form
   90,245/194,791 = 194,791/x
3. Step 3: Cross multiply
   90,245x = 194,791 × 194,791
4. Step 4: Simplify right side
   90,245x = 37,943,533,681
5. Step 5: Solve for x
   x = 37,943,533,681/90,245
6. Step 6: Final answer
   x = 420,450.26