Finding the Third Proportional to 231,836 and 488,579.25

Step by Step Solution

1. Step 1: Write the proportion equation
   231,836 : 488,579.25 = 488,579.25 : x
2. Step 2: Convert to fraction form
   231,836/488,579.25 = 488,579.25/x
3. Step 3: Cross multiply
   231,836x = 488,579.25 × 488,579.25
4. Step 4: Simplify right side
   231,836x = 238,709,683,530.56
5. Step 5: Solve for x
   x = 238,709,683,530.56/231,836
6. Step 6: Final answer
   x = 1,029,648.90