Finding the Third Proportional to 50,548.50 and 79,290

Step by Step Solution

1. Step 1: Write the proportion equation
   50,548.50 : 79,290 = 79,290 : x
2. Step 2: Convert to fraction form
   50,548.50/79,290 = 79,290/x
3. Step 3: Cross multiply
   50,548.50x = 79,290 × 79,290
4. Step 4: Simplify right side
   50,548.50x = 6,286,904,100
5. Step 5: Solve for x
   x = 6,286,904,100/50,548.50
6. Step 6: Final answer
   x = 124,373.70