Finding the Third Proportional to 9,870.19 and 13,295.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870.19 : 13,295.81 = 13,295.81 : x
2. Step 2: Convert to fraction form
   9,870.19/13,295.81 = 13,295.81/x
3. Step 3: Cross multiply
   9,870.19x = 13,295.81 × 13,295.81
4. Step 4: Simplify right side
   9,870.19x = 176,778,630.04
5. Step 5: Solve for x
   x = 176,778,630.04/9,870.19
6. Step 6: Final answer
   x = 17,910.36