Finding the Third Proportional to 10,159.88 and 21,130.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,159.88 : 21,130.88 = 21,130.88 : x
2. Step 2: Convert to fraction form
   10,159.88/21,130.88 = 21,130.88/x
3. Step 3: Cross multiply
   10,159.88x = 21,130.88 × 21,130.88
4. Step 4: Simplify right side
   10,159.88x = 446,513,878.27
5. Step 5: Solve for x
   x = 446,513,878.27/10,159.88
6. Step 6: Final answer
   x = 43,948.76