Finding the Third Proportional to 231,291 and 337,091.63

Step by Step Solution

1. Step 1: Write the proportion equation
   231,291 : 337,091.63 = 337,091.63 : x
2. Step 2: Convert to fraction form
   231,291/337,091.63 = 337,091.63/x
3. Step 3: Cross multiply
   231,291x = 337,091.63 × 337,091.63
4. Step 4: Simplify right side
   231,291x = 113,630,763,645.14
5. Step 5: Solve for x
   x = 113,630,763,645.14/231,291
6. Step 6: Final answer
   x = 491,289.17