Finding the Third Proportional to 6,900.19 and 10,931.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,900.19 : 10,931.06 = 10,931.06 : x
2. Step 2: Convert to fraction form
   6,900.19/10,931.06 = 10,931.06/x
3. Step 3: Cross multiply
   6,900.19x = 10,931.06 × 10,931.06
4. Step 4: Simplify right side
   6,900.19x = 119,488,127.38
5. Step 5: Solve for x
   x = 119,488,127.38/6,900.19
6. Step 6: Final answer
   x = 17,316.65