Finding the Third Proportional to 90,158.06 and 194,770.69

Step by Step Solution

1. Step 1: Write the proportion equation
   90,158.06 : 194,770.69 = 194,770.69 : x
2. Step 2: Convert to fraction form
   90,158.06/194,770.69 = 194,770.69/x
3. Step 3: Cross multiply
   90,158.06x = 194,770.69 × 194,770.69
4. Step 4: Simplify right side
   90,158.06x = 37,935,620,709.22
5. Step 5: Solve for x
   x = 37,935,620,709.22/90,158.06
6. Step 6: Final answer
   x = 420,767.92