Finding the Third Proportional to 65,507 and 140,361

Step by Step Solution

1. Step 1: Write the proportion equation
   65,507 : 140,361 = 140,361 : x
2. Step 2: Convert to fraction form
   65,507/140,361 = 140,361/x
3. Step 3: Cross multiply
   65,507x = 140,361 × 140,361
4. Step 4: Simplify right side
   65,507x = 19,701,210,321
5. Step 5: Solve for x
   x = 19,701,210,321/65,507
6. Step 6: Final answer
   x = 300,749.70