Finding the Third Proportional to 43,520 and 65,116

Step by Step Solution

1. Step 1: Write the proportion equation
   43,520 : 65,116 = 65,116 : x
2. Step 2: Convert to fraction form
   43,520/65,116 = 65,116/x
3. Step 3: Cross multiply
   43,520x = 65,116 × 65,116
4. Step 4: Simplify right side
   43,520x = 4,240,093,456
5. Step 5: Solve for x
   x = 4,240,093,456/43,520
6. Step 6: Final answer
   x = 97,428.62