Finding the Third Proportional to 51,203 and 79,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,203 : 79,499.50 = 79,499.50 : x
2. Step 2: Convert to fraction form
   51,203/79,499.50 = 79,499.50/x
3. Step 3: Cross multiply
   51,203x = 79,499.50 × 79,499.50
4. Step 4: Simplify right side
   51,203x = 6,320,170,500.25
5. Step 5: Solve for x
   x = 6,320,170,500.25/51,203
6. Step 6: Final answer
   x = 123,433.60