Finding the Third Proportional to 105,903 and 233,129.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,903 : 233,129.25 = 233,129.25 : x
2. Step 2: Convert to fraction form
   105,903/233,129.25 = 233,129.25/x
3. Step 3: Cross multiply
   105,903x = 233,129.25 × 233,129.25
4. Step 4: Simplify right side
   105,903x = 54,349,247,205.56
5. Step 5: Solve for x
   x = 54,349,247,205.56/105,903
6. Step 6: Final answer
   x = 513,198.37