Finding the Third Proportional to 1,502.63 and 3,178.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,502.63 : 3,178.31 = 3,178.31 : x
2. Step 2: Convert to fraction form
   1,502.63/3,178.31 = 3,178.31/x
3. Step 3: Cross multiply
   1,502.63x = 3,178.31 × 3,178.31
4. Step 4: Simplify right side
   1,502.63x = 10,101,670.35
5. Step 5: Solve for x
   x = 10,101,670.35/1,502.63
6. Step 6: Final answer
   x = 6,722.68