Finding the Third Proportional to 1,060.17 and 1,154.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.17 : 1,154.67 = 1,154.67 : x
2. Step 2: Convert to fraction form
   1,060.17/1,154.67 = 1,154.67/x
3. Step 3: Cross multiply
   1,060.17x = 1,154.67 × 1,154.67
4. Step 4: Simplify right side
   1,060.17x = 1,333,267.14
5. Step 5: Solve for x
   x = 1,333,267.14/1,060.17
6. Step 6: Final answer
   x = 1,257.60