Finding the Third Proportional to 112,702 and 174,418

Step by Step Solution

1. Step 1: Write the proportion equation
   112,702 : 174,418 = 174,418 : x
2. Step 2: Convert to fraction form
   112,702/174,418 = 174,418/x
3. Step 3: Cross multiply
   112,702x = 174,418 × 174,418
4. Step 4: Simplify right side
   112,702x = 30,421,638,724
5. Step 5: Solve for x
   x = 30,421,638,724/112,702
6. Step 6: Final answer
   x = 269,929.89