Finding the Third Proportional to 33,030 and 69,300

Step by Step Solution

1. Step 1: Write the proportion equation
   33,030 : 69,300 = 69,300 : x
2. Step 2: Convert to fraction form
   33,030/69,300 = 69,300/x
3. Step 3: Cross multiply
   33,030x = 69,300 × 69,300
4. Step 4: Simplify right side
   33,030x = 4,802,490,000
5. Step 5: Solve for x
   x = 4,802,490,000/33,030
6. Step 6: Final answer
   x = 145,397.82