Finding the Third Proportional to 4,688.72 and 7,203.94

Step by Step Solution

1. Step 1: Write the proportion equation
   4,688.72 : 7,203.94 = 7,203.94 : x
2. Step 2: Convert to fraction form
   4,688.72/7,203.94 = 7,203.94/x
3. Step 3: Cross multiply
   4,688.72x = 7,203.94 × 7,203.94
4. Step 4: Simplify right side
   4,688.72x = 51,896,715.50
5. Step 5: Solve for x
   x = 51,896,715.50/4,688.72
6. Step 6: Final answer
   x = 11,068.42