Finding the Third Proportional to 10,297.13 and 21,038.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,297.13 : 21,038.48 = 21,038.48 : x
2. Step 2: Convert to fraction form
   10,297.13/21,038.48 = 21,038.48/x
3. Step 3: Cross multiply
   10,297.13x = 21,038.48 × 21,038.48
4. Step 4: Simplify right side
   10,297.13x = 442,617,824.80
5. Step 5: Solve for x
   x = 442,617,824.80/10,297.13
6. Step 6: Final answer
   x = 42,984.60