Finding the Third Proportional to 114,638.50 and 251,397

Step by Step Solution

1. Step 1: Write the proportion equation
   114,638.50 : 251,397 = 251,397 : x
2. Step 2: Convert to fraction form
   114,638.50/251,397 = 251,397/x
3. Step 3: Cross multiply
   114,638.50x = 251,397 × 251,397
4. Step 4: Simplify right side
   114,638.50x = 63,200,451,609
5. Step 5: Solve for x
   x = 63,200,451,609/114,638.50
6. Step 6: Final answer
   x = 551,302.15