Finding the Third Proportional to 43,105.50 and 69,213

Step by Step Solution

1. Step 1: Write the proportion equation
   43,105.50 : 69,213 = 69,213 : x
2. Step 2: Convert to fraction form
   43,105.50/69,213 = 69,213/x
3. Step 3: Cross multiply
   43,105.50x = 69,213 × 69,213
4. Step 4: Simplify right side
   43,105.50x = 4,790,439,369
5. Step 5: Solve for x
   x = 4,790,439,369/43,105.50
6. Step 6: Final answer
   x = 111,132.90