Finding the Third Proportional to 2,970.28 and 4,152.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,970.28 : 4,152.56 = 4,152.56 : x
2. Step 2: Convert to fraction form
   2,970.28/4,152.56 = 4,152.56/x
3. Step 3: Cross multiply
   2,970.28x = 4,152.56 × 4,152.56
4. Step 4: Simplify right side
   2,970.28x = 17,243,775.32
5. Step 5: Solve for x
   x = 17,243,775.32/2,970.28
6. Step 6: Final answer
   x = 5,805.44