Finding the Third Proportional to 30,740 and 62,607

Step by Step Solution

1. Step 1: Write the proportion equation
   30,740 : 62,607 = 62,607 : x
2. Step 2: Convert to fraction form
   30,740/62,607 = 62,607/x
3. Step 3: Cross multiply
   30,740x = 62,607 × 62,607
4. Step 4: Simplify right side
   30,740x = 3,919,636,449
5. Step 5: Solve for x
   x = 3,919,636,449/30,740
6. Step 6: Final answer
   x = 127,509.32