Finding the Third Proportional to 30,072 and 45,754

Step by Step Solution

1. Step 1: Write the proportion equation
   30,072 : 45,754 = 45,754 : x
2. Step 2: Convert to fraction form
   30,072/45,754 = 45,754/x
3. Step 3: Cross multiply
   30,072x = 45,754 × 45,754
4. Step 4: Simplify right side
   30,072x = 2,093,428,516
5. Step 5: Solve for x
   x = 2,093,428,516/30,072
6. Step 6: Final answer
   x = 69,613.88