Finding the Third Proportional to 1,814.06 and 3,931.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.06 : 3,931.88 = 3,931.88 : x
2. Step 2: Convert to fraction form
   1,814.06/3,931.88 = 3,931.88/x
3. Step 3: Cross multiply
   1,814.06x = 3,931.88 × 3,931.88
4. Step 4: Simplify right side
   1,814.06x = 15,459,641.02
5. Step 5: Solve for x
   x = 15,459,641.02/1,814.06
6. Step 6: Final answer
   x = 8,522.11