Finding the Third Proportional to 30,012.75 and 69,473.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,012.75 : 69,473.25 = 69,473.25 : x
2. Step 2: Convert to fraction form
   30,012.75/69,473.25 = 69,473.25/x
3. Step 3: Cross multiply
   30,012.75x = 69,473.25 × 69,473.25
4. Step 4: Simplify right side
   30,012.75x = 4,826,532,465.56
5. Step 5: Solve for x
   x = 4,826,532,465.56/30,012.75
6. Step 6: Final answer
   x = 160,816.07