Finding the Third Proportional to 111,840 and 174,528

Step by Step Solution

1. Step 1: Write the proportion equation
   111,840 : 174,528 = 174,528 : x
2. Step 2: Convert to fraction form
   111,840/174,528 = 174,528/x
3. Step 3: Cross multiply
   111,840x = 174,528 × 174,528
4. Step 4: Simplify right side
   111,840x = 30,460,022,784
5. Step 5: Solve for x
   x = 30,460,022,784/111,840
6. Step 6: Final answer
   x = 272,353.57