Finding the Third Proportional to 50,404.50 and 78,397

Step by Step Solution

1. Step 1: Write the proportion equation
   50,404.50 : 78,397 = 78,397 : x
2. Step 2: Convert to fraction form
   50,404.50/78,397 = 78,397/x
3. Step 3: Cross multiply
   50,404.50x = 78,397 × 78,397
4. Step 4: Simplify right side
   50,404.50x = 6,146,089,609
5. Step 5: Solve for x
   x = 6,146,089,609/50,404.50
6. Step 6: Final answer
   x = 121,935.34