Finding the Third Proportional to 105,312 and 225,088

Step by Step Solution

1. Step 1: Write the proportion equation
   105,312 : 225,088 = 225,088 : x
2. Step 2: Convert to fraction form
   105,312/225,088 = 225,088/x
3. Step 3: Cross multiply
   105,312x = 225,088 × 225,088
4. Step 4: Simplify right side
   105,312x = 50,664,607,744
5. Step 5: Solve for x
   x = 50,664,607,744/105,312
6. Step 6: Final answer
   x = 481,090.55