Finding the Third Proportional to 9,115.03 and 12,346.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,115.03 : 12,346.17 = 12,346.17 : x
2. Step 2: Convert to fraction form
   9,115.03/12,346.17 = 12,346.17/x
3. Step 3: Cross multiply
   9,115.03x = 12,346.17 × 12,346.17
4. Step 4: Simplify right side
   9,115.03x = 152,427,959.97
5. Step 5: Solve for x
   x = 152,427,959.97/9,115.03
6. Step 6: Final answer
   x = 16,722.70