Finding the Third Proportional to 112,545 and 240,156

Step by Step Solution

1. Step 1: Write the proportion equation
   112,545 : 240,156 = 240,156 : x
2. Step 2: Convert to fraction form
   112,545/240,156 = 240,156/x
3. Step 3: Cross multiply
   112,545x = 240,156 × 240,156
4. Step 4: Simplify right side
   112,545x = 57,674,904,336
5. Step 5: Solve for x
   x = 57,674,904,336/112,545
6. Step 6: Final answer
   x = 512,460.83