Finding the Third Proportional to 38,123 and 78,934

Step by Step Solution

1. Step 1: Write the proportion equation
   38,123 : 78,934 = 78,934 : x
2. Step 2: Convert to fraction form
   38,123/78,934 = 78,934/x
3. Step 3: Cross multiply
   38,123x = 78,934 × 78,934
4. Step 4: Simplify right side
   38,123x = 6,230,576,356
5. Step 5: Solve for x
   x = 6,230,576,356/38,123
6. Step 6: Final answer
   x = 163,433.53