Finding the Third Proportional to 88,997 and 193,402

Step by Step Solution

1. Step 1: Write the proportion equation
   88,997 : 193,402 = 193,402 : x
2. Step 2: Convert to fraction form
   88,997/193,402 = 193,402/x
3. Step 3: Cross multiply
   88,997x = 193,402 × 193,402
4. Step 4: Simplify right side
   88,997x = 37,404,333,604
5. Step 5: Solve for x
   x = 37,404,333,604/88,997
6. Step 6: Final answer
   x = 420,287.58