Finding the Third Proportional to 65,749 and 144,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,749 : 144,012.50 = 144,012.50 : x
2. Step 2: Convert to fraction form
   65,749/144,012.50 = 144,012.50/x
3. Step 3: Cross multiply
   65,749x = 144,012.50 × 144,012.50
4. Step 4: Simplify right side
   65,749x = 20,739,600,156.25
5. Step 5: Solve for x
   x = 20,739,600,156.25/65,749
6. Step 6: Final answer
   x = 315,435.98