Finding the Third Proportional to 43,280 and 65,388

Step by Step Solution

1. Step 1: Write the proportion equation
   43,280 : 65,388 = 65,388 : x
2. Step 2: Convert to fraction form
   43,280/65,388 = 65,388/x
3. Step 3: Cross multiply
   43,280x = 65,388 × 65,388
4. Step 4: Simplify right side
   43,280x = 4,275,590,544
5. Step 5: Solve for x
   x = 4,275,590,544/43,280
6. Step 6: Final answer
   x = 98,789.06