Finding the Third Proportional to 30,020 and 62,010

Step by Step Solution

1. Step 1: Write the proportion equation
   30,020 : 62,010 = 62,010 : x
2. Step 2: Convert to fraction form
   30,020/62,010 = 62,010/x
3. Step 3: Cross multiply
   30,020x = 62,010 × 62,010
4. Step 4: Simplify right side
   30,020x = 3,845,240,100
5. Step 5: Solve for x
   x = 3,845,240,100/30,020
6. Step 6: Final answer
   x = 128,089.28