Finding the Third Proportional to 111,582 and 156,426

Step by Step Solution

1. Step 1: Write the proportion equation
   111,582 : 156,426 = 156,426 : x
2. Step 2: Convert to fraction form
   111,582/156,426 = 156,426/x
3. Step 3: Cross multiply
   111,582x = 156,426 × 156,426
4. Step 4: Simplify right side
   111,582x = 24,469,093,476
5. Step 5: Solve for x
   x = 24,469,093,476/111,582
6. Step 6: Final answer
   x = 219,292.48