Finding the Third Proportional to 90,160 and 193,608

Step by Step Solution

1. Step 1: Write the proportion equation
   90,160 : 193,608 = 193,608 : x
2. Step 2: Convert to fraction form
   90,160/193,608 = 193,608/x
3. Step 3: Cross multiply
   90,160x = 193,608 × 193,608
4. Step 4: Simplify right side
   90,160x = 37,484,057,664
5. Step 5: Solve for x
   x = 37,484,057,664/90,160
6. Step 6: Final answer
   x = 415,750.42