Finding the Third Proportional to 1,376.63 and 3,001.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.63 : 3,001.31 = 3,001.31 : x
2. Step 2: Convert to fraction form
   1,376.63/3,001.31 = 3,001.31/x
3. Step 3: Cross multiply
   1,376.63x = 3,001.31 × 3,001.31
4. Step 4: Simplify right side
   1,376.63x = 9,007,876.72
5. Step 5: Solve for x
   x = 9,007,876.72/1,376.63
6. Step 6: Final answer
   x = 6,543.45