Finding the Third Proportional to 63,744 and 140,070

Step by Step Solution

1. Step 1: Write the proportion equation
   63,744 : 140,070 = 140,070 : x
2. Step 2: Convert to fraction form
   63,744/140,070 = 140,070/x
3. Step 3: Cross multiply
   63,744x = 140,070 × 140,070
4. Step 4: Simplify right side
   63,744x = 19,619,604,900
5. Step 5: Solve for x
   x = 19,619,604,900/63,744
6. Step 6: Final answer
   x = 307,787.48