Finding the Third Proportional to 51,930 and 74,007

Step by Step Solution

1. Step 1: Write the proportion equation
   51,930 : 74,007 = 74,007 : x
2. Step 2: Convert to fraction form
   51,930/74,007 = 74,007/x
3. Step 3: Cross multiply
   51,930x = 74,007 × 74,007
4. Step 4: Simplify right side
   51,930x = 5,477,036,049
5. Step 5: Solve for x
   x = 5,477,036,049/51,930
6. Step 6: Final answer
   x = 105,469.59