Finding the Third Proportional to 169,916 and 372,150

Step by Step Solution

1. Step 1: Write the proportion equation
   169,916 : 372,150 = 372,150 : x
2. Step 2: Convert to fraction form
   169,916/372,150 = 372,150/x
3. Step 3: Cross multiply
   169,916x = 372,150 × 372,150
4. Step 4: Simplify right side
   169,916x = 138,495,622,500
5. Step 5: Solve for x
   x = 138,495,622,500/169,916
6. Step 6: Final answer
   x = 815,082.88