Finding the Third Proportional to 63,817 and 140,674

Step by Step Solution

1. Step 1: Write the proportion equation
   63,817 : 140,674 = 140,674 : x
2. Step 2: Convert to fraction form
   63,817/140,674 = 140,674/x
3. Step 3: Cross multiply
   63,817x = 140,674 × 140,674
4. Step 4: Simplify right side
   63,817x = 19,789,174,276
5. Step 5: Solve for x
   x = 19,789,174,276/63,817
6. Step 6: Final answer
   x = 310,092.52