Finding the Third Proportional to 111,582 and 242,118

Step by Step Solution

1. Step 1: Write the proportion equation
   111,582 : 242,118 = 242,118 : x
2. Step 2: Convert to fraction form
   111,582/242,118 = 242,118/x
3. Step 3: Cross multiply
   111,582x = 242,118 × 242,118
4. Step 4: Simplify right side
   111,582x = 58,621,125,924
5. Step 5: Solve for x
   x = 58,621,125,924/111,582
6. Step 6: Final answer
   x = 525,363.64