Finding the Third Proportional to 2,917.90 and 7,011.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,917.90 : 7,011.56 = 7,011.56 : x
2. Step 2: Convert to fraction form
   2,917.90/7,011.56 = 7,011.56/x
3. Step 3: Cross multiply
   2,917.90x = 7,011.56 × 7,011.56
4. Step 4: Simplify right side
   2,917.90x = 49,162,008.69
5. Step 5: Solve for x
   x = 49,162,008.69/2,917.90
6. Step 6: Final answer
   x = 16,848.43