Finding the Third Proportional to 115,735.50 and 245,691

Step by Step Solution

1. Step 1: Write the proportion equation
   115,735.50 : 245,691 = 245,691 : x
2. Step 2: Convert to fraction form
   115,735.50/245,691 = 245,691/x
3. Step 3: Cross multiply
   115,735.50x = 245,691 × 245,691
4. Step 4: Simplify right side
   115,735.50x = 60,364,067,481
5. Step 5: Solve for x
   x = 60,364,067,481/115,735.50
6. Step 6: Final answer
   x = 521,569.16