Finding the Third Proportional to 113,468 and 188,453

Step by Step Solution

1. Step 1: Write the proportion equation
   113,468 : 188,453 = 188,453 : x
2. Step 2: Convert to fraction form
   113,468/188,453 = 188,453/x
3. Step 3: Cross multiply
   113,468x = 188,453 × 188,453
4. Step 4: Simplify right side
   113,468x = 35,514,533,209
5. Step 5: Solve for x
   x = 35,514,533,209/113,468
6. Step 6: Final answer
   x = 312,991.62