Finding the Third Proportional to 21,558.50 and 45,725.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,558.50 : 45,725.50 = 45,725.50 : x
2. Step 2: Convert to fraction form
   21,558.50/45,725.50 = 45,725.50/x
3. Step 3: Cross multiply
   21,558.50x = 45,725.50 × 45,725.50
4. Step 4: Simplify right side
   21,558.50x = 2,090,821,350.25
5. Step 5: Solve for x
   x = 2,090,821,350.25/21,558.50
6. Step 6: Final answer
   x = 96,983.62