Finding the Third Proportional to 111,495 and 240,486

Step by Step Solution

1. Step 1: Write the proportion equation
   111,495 : 240,486 = 240,486 : x
2. Step 2: Convert to fraction form
   111,495/240,486 = 240,486/x
3. Step 3: Cross multiply
   111,495x = 240,486 × 240,486
4. Step 4: Simplify right side
   111,495x = 57,833,516,196
5. Step 5: Solve for x
   x = 57,833,516,196/111,495
6. Step 6: Final answer
   x = 518,709.50