Finding the Third Proportional to 43,245 and 65,445

Step by Step Solution

1. Step 1: Write the proportion equation
   43,245 : 65,445 = 65,445 : x
2. Step 2: Convert to fraction form
   43,245/65,445 = 65,445/x
3. Step 3: Cross multiply
   43,245x = 65,445 × 65,445
4. Step 4: Simplify right side
   43,245x = 4,283,048,025
5. Step 5: Solve for x
   x = 4,283,048,025/43,245
6. Step 6: Final answer
   x = 99,041.46