Finding the Third Proportional to 65,970 and 144,037.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,970 : 144,037.50 = 144,037.50 : x
2. Step 2: Convert to fraction form
   65,970/144,037.50 = 144,037.50/x
3. Step 3: Cross multiply
   65,970x = 144,037.50 × 144,037.50
4. Step 4: Simplify right side
   65,970x = 20,746,801,406.25
5. Step 5: Solve for x
   x = 20,746,801,406.25/65,970
6. Step 6: Final answer
   x = 314,488.43