Finding the Third Proportional to 105,648.47 and 234,918.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,648.47 : 234,918.56 = 234,918.56 : x
2. Step 2: Convert to fraction form
   105,648.47/234,918.56 = 234,918.56/x
3. Step 3: Cross multiply
   105,648.47x = 234,918.56 × 234,918.56
4. Step 4: Simplify right side
   105,648.47x = 55,186,731,007.07
5. Step 5: Solve for x
   x = 55,186,731,007.07/105,648.47
6. Step 6: Final answer
   x = 522,361.86