Finding the Third Proportional to 90,904.50 and 194,445

Step by Step Solution

1. Step 1: Write the proportion equation
   90,904.50 : 194,445 = 194,445 : x
2. Step 2: Convert to fraction form
   90,904.50/194,445 = 194,445/x
3. Step 3: Cross multiply
   90,904.50x = 194,445 × 194,445
4. Step 4: Simplify right side
   90,904.50x = 37,808,858,025
5. Step 5: Solve for x
   x = 37,808,858,025/90,904.50
6. Step 6: Final answer
   x = 415,918.44