Finding the Third Proportional to 9,870.75 and 10,950.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870.75 : 10,950.75 = 10,950.75 : x
2. Step 2: Convert to fraction form
   9,870.75/10,950.75 = 10,950.75/x
3. Step 3: Cross multiply
   9,870.75x = 10,950.75 × 10,950.75
4. Step 4: Simplify right side
   9,870.75x = 119,918,925.56
5. Step 5: Solve for x
   x = 119,918,925.56/9,870.75
6. Step 6: Final answer
   x = 12,148.92