Finding the Third Proportional to 21,061 and 45,386

Step by Step Solution

1. Step 1: Write the proportion equation
   21,061 : 45,386 = 45,386 : x
2. Step 2: Convert to fraction form
   21,061/45,386 = 45,386/x
3. Step 3: Cross multiply
   21,061x = 45,386 × 45,386
4. Step 4: Simplify right side
   21,061x = 2,059,888,996
5. Step 5: Solve for x
   x = 2,059,888,996/21,061
6. Step 6: Final answer
   x = 97,805.85