Finding the Third Proportional to 65,807 and 144,730

Step by Step Solution

1. Step 1: Write the proportion equation
   65,807 : 144,730 = 144,730 : x
2. Step 2: Convert to fraction form
   65,807/144,730 = 144,730/x
3. Step 3: Cross multiply
   65,807x = 144,730 × 144,730
4. Step 4: Simplify right side
   65,807x = 20,946,772,900
5. Step 5: Solve for x
   x = 20,946,772,900/65,807
6. Step 6: Final answer
   x = 318,306.15