Finding the Third Proportional to 53,814.50 and 73,872.75

Step by Step Solution

1. Step 1: Write the proportion equation
   53,814.50 : 73,872.75 = 73,872.75 : x
2. Step 2: Convert to fraction form
   53,814.50/73,872.75 = 73,872.75/x
3. Step 3: Cross multiply
   53,814.50x = 73,872.75 × 73,872.75
4. Step 4: Simplify right side
   53,814.50x = 5,457,183,192.56
5. Step 5: Solve for x
   x = 5,457,183,192.56/53,814.50
6. Step 6: Final answer
   x = 101,407.30