Finding the Third Proportional to 28,415.81 and 43,018.59

Step by Step Solution

1. Step 1: Write the proportion equation
   28,415.81 : 43,018.59 = 43,018.59 : x
2. Step 2: Convert to fraction form
   28,415.81/43,018.59 = 43,018.59/x
3. Step 3: Cross multiply
   28,415.81x = 43,018.59 × 43,018.59
4. Step 4: Simplify right side
   28,415.81x = 1,850,599,408.23
5. Step 5: Solve for x
   x = 1,850,599,408.23/28,415.81
6. Step 6: Final answer
   x = 65,125.69