Finding the Third Proportional to 69,348 and 141,984

Step by Step Solution

1. Step 1: Write the proportion equation
   69,348 : 141,984 = 141,984 : x
2. Step 2: Convert to fraction form
   69,348/141,984 = 141,984/x
3. Step 3: Cross multiply
   69,348x = 141,984 × 141,984
4. Step 4: Simplify right side
   69,348x = 20,159,456,256
5. Step 5: Solve for x
   x = 20,159,456,256/69,348
6. Step 6: Final answer
   x = 290,699.89