Finding the Third Proportional to 30,042.75 and 69,547.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,042.75 : 69,547.25 = 69,547.25 : x
2. Step 2: Convert to fraction form
   30,042.75/69,547.25 = 69,547.25/x
3. Step 3: Cross multiply
   30,042.75x = 69,547.25 × 69,547.25
4. Step 4: Simplify right side
   30,042.75x = 4,836,819,982.56
5. Step 5: Solve for x
   x = 4,836,819,982.56/30,042.75
6. Step 6: Final answer
   x = 160,997.91