Finding the Third Proportional to 162,111 and 242,518

Step by Step Solution

1. Step 1: Write the proportion equation
   162,111 : 242,518 = 242,518 : x
2. Step 2: Convert to fraction form
   162,111/242,518 = 242,518/x
3. Step 3: Cross multiply
   162,111x = 242,518 × 242,518
4. Step 4: Simplify right side
   162,111x = 58,814,980,324
5. Step 5: Solve for x
   x = 58,814,980,324/162,111
6. Step 6: Final answer
   x = 362,806.84