Finding the Third Proportional to 21,130.88 and 30,704.06

Step by Step Solution

1. Step 1: Write the proportion equation
   21,130.88 : 30,704.06 = 30,704.06 : x
2. Step 2: Convert to fraction form
   21,130.88/30,704.06 = 30,704.06/x
3. Step 3: Cross multiply
   21,130.88x = 30,704.06 × 30,704.06
4. Step 4: Simplify right side
   21,130.88x = 942,739,454.00
5. Step 5: Solve for x
   x = 942,739,454.00/21,130.88
6. Step 6: Final answer
   x = 44,614.31