Finding the Third Proportional to 169,404 and 253,284

Step by Step Solution

1. Step 1: Write the proportion equation
   169,404 : 253,284 = 253,284 : x
2. Step 2: Convert to fraction form
   169,404/253,284 = 253,284/x
3. Step 3: Cross multiply
   169,404x = 253,284 × 253,284
4. Step 4: Simplify right side
   169,404x = 64,152,784,656
5. Step 5: Solve for x
   x = 64,152,784,656/169,404
6. Step 6: Final answer
   x = 378,696.99