Finding the Third Proportional to 4,905.56 and 10,543.92

Step by Step Solution

1. Step 1: Write the proportion equation
   4,905.56 : 10,543.92 = 10,543.92 : x
2. Step 2: Convert to fraction form
   4,905.56/10,543.92 = 10,543.92/x
3. Step 3: Cross multiply
   4,905.56x = 10,543.92 × 10,543.92
4. Step 4: Simplify right side
   4,905.56x = 111,174,288.51
5. Step 5: Solve for x
   x = 111,174,288.51/4,905.56
6. Step 6: Final answer
   x = 22,662.90