Finding the Third Proportional to 10,621.13 and 21,926.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,621.13 : 21,926.25 = 21,926.25 : x
2. Step 2: Convert to fraction form
   10,621.13/21,926.25 = 21,926.25/x
3. Step 3: Cross multiply
   10,621.13x = 21,926.25 × 21,926.25
4. Step 4: Simplify right side
   10,621.13x = 480,760,439.06
5. Step 5: Solve for x
   x = 480,760,439.06/10,621.13
6. Step 6: Final answer
   x = 45,264.55