Finding the Third Proportional to 113,466 and 188,450

Step by Step Solution

1. Step 1: Write the proportion equation
   113,466 : 188,450 = 188,450 : x
2. Step 2: Convert to fraction form
   113,466/188,450 = 188,450/x
3. Step 3: Cross multiply
   113,466x = 188,450 × 188,450
4. Step 4: Simplify right side
   113,466x = 35,513,402,500
5. Step 5: Solve for x
   x = 35,513,402,500/113,466
6. Step 6: Final answer
   x = 312,987.17