Finding the Third Proportional to 90,308 and 193,672

Step by Step Solution

1. Step 1: Write the proportion equation
   90,308 : 193,672 = 193,672 : x
2. Step 2: Convert to fraction form
   90,308/193,672 = 193,672/x
3. Step 3: Cross multiply
   90,308x = 193,672 × 193,672
4. Step 4: Simplify right side
   90,308x = 37,508,843,584
5. Step 5: Solve for x
   x = 37,508,843,584/90,308
6. Step 6: Final answer
   x = 415,343.53