Finding the Third Proportional to 72,449 and 112,087

Step by Step Solution

1. Step 1: Write the proportion equation
   72,449 : 112,087 = 112,087 : x
2. Step 2: Convert to fraction form
   72,449/112,087 = 112,087/x
3. Step 3: Cross multiply
   72,449x = 112,087 × 112,087
4. Step 4: Simplify right side
   72,449x = 12,563,495,569
5. Step 5: Solve for x
   x = 12,563,495,569/72,449
6. Step 6: Final answer
   x = 173,411.58