Finding the Third Proportional to 111,582 and 234,642

Step by Step Solution

1. Step 1: Write the proportion equation
   111,582 : 234,642 = 234,642 : x
2. Step 2: Convert to fraction form
   111,582/234,642 = 234,642/x
3. Step 3: Cross multiply
   111,582x = 234,642 × 234,642
4. Step 4: Simplify right side
   111,582x = 55,056,868,164
5. Step 5: Solve for x
   x = 55,056,868,164/111,582
6. Step 6: Final answer
   x = 493,420.70