Finding the Third Proportional to 43,459.50 and 69,078

Step by Step Solution

1. Step 1: Write the proportion equation
   43,459.50 : 69,078 = 69,078 : x
2. Step 2: Convert to fraction form
   43,459.50/69,078 = 69,078/x
3. Step 3: Cross multiply
   43,459.50x = 69,078 × 69,078
4. Step 4: Simplify right side
   43,459.50x = 4,771,770,084
5. Step 5: Solve for x
   x = 4,771,770,084/43,459.50
6. Step 6: Final answer
   x = 109,798.09