Finding the Third Proportional to 65,637 and 143,986.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,637 : 143,986.50 = 143,986.50 : x
2. Step 2: Convert to fraction form
   65,637/143,986.50 = 143,986.50/x
3. Step 3: Cross multiply
   65,637x = 143,986.50 × 143,986.50
4. Step 4: Simplify right side
   65,637x = 20,732,112,182.25
5. Step 5: Solve for x
   x = 20,732,112,182.25/65,637
6. Step 6: Final answer
   x = 315,860.14