Finding the Third Proportional to 105,280 and 233,888

Step by Step Solution

1. Step 1: Write the proportion equation
   105,280 : 233,888 = 233,888 : x
2. Step 2: Convert to fraction form
   105,280/233,888 = 233,888/x
3. Step 3: Cross multiply
   105,280x = 233,888 × 233,888
4. Step 4: Simplify right side
   105,280x = 54,703,596,544
5. Step 5: Solve for x
   x = 54,703,596,544/105,280
6. Step 6: Final answer
   x = 519,601.03