Finding the Third Proportional to 111,410 and 168,060

Step by Step Solution

1. Step 1: Write the proportion equation
   111,410 : 168,060 = 168,060 : x
2. Step 2: Convert to fraction form
   111,410/168,060 = 168,060/x
3. Step 3: Cross multiply
   111,410x = 168,060 × 168,060
4. Step 4: Simplify right side
   111,410x = 28,244,163,600
5. Step 5: Solve for x
   x = 28,244,163,600/111,410
6. Step 6: Final answer
   x = 253,515.52