Finding the Third Proportional to 21,111 and 45,570

Step by Step Solution

1. Step 1: Write the proportion equation
   21,111 : 45,570 = 45,570 : x
2. Step 2: Convert to fraction form
   21,111/45,570 = 45,570/x
3. Step 3: Cross multiply
   21,111x = 45,570 × 45,570
4. Step 4: Simplify right side
   21,111x = 2,076,624,900
5. Step 5: Solve for x
   x = 2,076,624,900/21,111
6. Step 6: Final answer
   x = 98,366.96