Finding the Third Proportional to 53,907.50 and 111,272

Step by Step Solution

1. Step 1: Write the proportion equation
   53,907.50 : 111,272 = 111,272 : x
2. Step 2: Convert to fraction form
   53,907.50/111,272 = 111,272/x
3. Step 3: Cross multiply
   53,907.50x = 111,272 × 111,272
4. Step 4: Simplify right side
   53,907.50x = 12,381,457,984
5. Step 5: Solve for x
   x = 12,381,457,984/53,907.50
6. Step 6: Final answer
   x = 229,679.69