Finding the Third Proportional to 69,514 and 141,484

Step by Step Solution

1. Step 1: Write the proportion equation
   69,514 : 141,484 = 141,484 : x
2. Step 2: Convert to fraction form
   69,514/141,484 = 141,484/x
3. Step 3: Cross multiply
   69,514x = 141,484 × 141,484
4. Step 4: Simplify right side
   69,514x = 20,017,722,256
5. Step 5: Solve for x
   x = 20,017,722,256/69,514
6. Step 6: Final answer
   x = 287,966.77