Finding the Third Proportional to 20,882.81 and 45,915.61

Step by Step Solution

1. Step 1: Write the proportion equation
   20,882.81 : 45,915.61 = 45,915.61 : x
2. Step 2: Convert to fraction form
   20,882.81/45,915.61 = 45,915.61/x
3. Step 3: Cross multiply
   20,882.81x = 45,915.61 × 45,915.61
4. Step 4: Simplify right side
   20,882.81x = 2,108,243,184.28
5. Step 5: Solve for x
   x = 2,108,243,184.28/20,882.81
6. Step 6: Final answer
   x = 100,955.90