Finding the Third Proportional to 21,715.50 and 45,159

Step by Step Solution

1. Step 1: Write the proportion equation
   21,715.50 : 45,159 = 45,159 : x
2. Step 2: Convert to fraction form
   21,715.50/45,159 = 45,159/x
3. Step 3: Cross multiply
   21,715.50x = 45,159 × 45,159
4. Step 4: Simplify right side
   21,715.50x = 2,039,335,281
5. Step 5: Solve for x
   x = 2,039,335,281/21,715.50
6. Step 6: Final answer
   x = 93,911.50