Finding the Third Proportional to 65,907 and 144,429

Step by Step Solution

1. Step 1: Write the proportion equation
   65,907 : 144,429 = 144,429 : x
2. Step 2: Convert to fraction form
   65,907/144,429 = 144,429/x
3. Step 3: Cross multiply
   65,907x = 144,429 × 144,429
4. Step 4: Simplify right side
   65,907x = 20,859,736,041
5. Step 5: Solve for x
   x = 20,859,736,041/65,907
6. Step 6: Final answer
   x = 316,502.59