Finding the Third Proportional to 4,687.31 and 7,254.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,687.31 : 7,254.56 = 7,254.56 : x
2. Step 2: Convert to fraction form
   4,687.31/7,254.56 = 7,254.56/x
3. Step 3: Cross multiply
   4,687.31x = 7,254.56 × 7,254.56
4. Step 4: Simplify right side
   4,687.31x = 52,628,677.07
5. Step 5: Solve for x
   x = 52,628,677.07/4,687.31
6. Step 6: Final answer
   x = 11,227.90