Finding the Third Proportional to 28,491.75 and 65,981.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,491.75 : 65,981.25 = 65,981.25 : x
2. Step 2: Convert to fraction form
   28,491.75/65,981.25 = 65,981.25/x
3. Step 3: Cross multiply
   28,491.75x = 65,981.25 × 65,981.25
4. Step 4: Simplify right side
   28,491.75x = 4,353,525,351.56
5. Step 5: Solve for x
   x = 4,353,525,351.56/28,491.75
6. Step 6: Final answer
   x = 152,799.51