Finding the Third Proportional to 140,904 and 293,472

Step by Step Solution

1. Step 1: Write the proportion equation
   140,904 : 293,472 = 293,472 : x
2. Step 2: Convert to fraction form
   140,904/293,472 = 293,472/x
3. Step 3: Cross multiply
   140,904x = 293,472 × 293,472
4. Step 4: Simplify right side
   140,904x = 86,125,814,784
5. Step 5: Solve for x
   x = 86,125,814,784/140,904
6. Step 6: Final answer
   x = 611,237.54