Finding the Third Proportional to 116,290 and 174,579

Step by Step Solution

1. Step 1: Write the proportion equation
   116,290 : 174,579 = 174,579 : x
2. Step 2: Convert to fraction form
   116,290/174,579 = 174,579/x
3. Step 3: Cross multiply
   116,290x = 174,579 × 174,579
4. Step 4: Simplify right side
   116,290x = 30,477,827,241
5. Step 5: Solve for x
   x = 30,477,827,241/116,290
6. Step 6: Final answer
   x = 262,084.68