Finding the Third Proportional to 29,243.53 and 68,905.69

Step by Step Solution

1. Step 1: Write the proportion equation
   29,243.53 : 68,905.69 = 68,905.69 : x
2. Step 2: Convert to fraction form
   29,243.53/68,905.69 = 68,905.69/x
3. Step 3: Cross multiply
   29,243.53x = 68,905.69 × 68,905.69
4. Step 4: Simplify right side
   29,243.53x = 4,747,993,769.85
5. Step 5: Solve for x
   x = 4,747,993,769.85/29,243.53
6. Step 6: Final answer
   x = 162,360.48