Finding the Third Proportional to 90,631.69 and 194,385.38

Step by Step Solution

1. Step 1: Write the proportion equation
   90,631.69 : 194,385.38 = 194,385.38 : x
2. Step 2: Convert to fraction form
   90,631.69/194,385.38 = 194,385.38/x
3. Step 3: Cross multiply
   90,631.69x = 194,385.38 × 194,385.38
4. Step 4: Simplify right side
   90,631.69x = 37,785,674,013.89
5. Step 5: Solve for x
   x = 37,785,674,013.89/90,631.69
6. Step 6: Final answer
   x = 416,914.60