Finding the Third Proportional to 69,213.63 and 106,105.38

Step by Step Solution

1. Step 1: Write the proportion equation
   69,213.63 : 106,105.38 = 106,105.38 : x
2. Step 2: Convert to fraction form
   69,213.63/106,105.38 = 106,105.38/x
3. Step 3: Cross multiply
   69,213.63x = 106,105.38 × 106,105.38
4. Step 4: Simplify right side
   69,213.63x = 11,258,350,603.89
5. Step 5: Solve for x
   x = 11,258,350,603.89/69,213.63
6. Step 6: Final answer
   x = 162,660.90