Finding the Third Proportional to 28,872.07 and 43,190.72

Step by Step Solution

1. Step 1: Write the proportion equation
   28,872.07 : 43,190.72 = 43,190.72 : x
2. Step 2: Convert to fraction form
   28,872.07/43,190.72 = 43,190.72/x
3. Step 3: Cross multiply
   28,872.07x = 43,190.72 × 43,190.72
4. Step 4: Simplify right side
   28,872.07x = 1,865,438,186.14
5. Step 5: Solve for x
   x = 1,865,438,186.14/28,872.07
6. Step 6: Final answer
   x = 64,610.48