Finding the Third Proportional to 21,112.50 and 45,573

Step by Step Solution

1. Step 1: Write the proportion equation
   21,112.50 : 45,573 = 45,573 : x
2. Step 2: Convert to fraction form
   21,112.50/45,573 = 45,573/x
3. Step 3: Cross multiply
   21,112.50x = 45,573 × 45,573
4. Step 4: Simplify right side
   21,112.50x = 2,076,898,329
5. Step 5: Solve for x
   x = 2,076,898,329/21,112.50
6. Step 6: Final answer
   x = 98,372.92