Finding the Third Proportional to 49,317 and 80,123

Step by Step Solution

1. Step 1: Write the proportion equation
   49,317 : 80,123 = 80,123 : x
2. Step 2: Convert to fraction form
   49,317/80,123 = 80,123/x
3. Step 3: Cross multiply
   49,317x = 80,123 × 80,123
4. Step 4: Simplify right side
   49,317x = 6,419,695,129
5. Step 5: Solve for x
   x = 6,419,695,129/49,317
6. Step 6: Final answer
   x = 130,172.05