Finding the Third Proportional to 14,568.19 and 31,213.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,568.19 : 31,213.69 = 31,213.69 : x
2. Step 2: Convert to fraction form
   14,568.19/31,213.69 = 31,213.69/x
3. Step 3: Cross multiply
   14,568.19x = 31,213.69 × 31,213.69
4. Step 4: Simplify right side
   14,568.19x = 974,294,287.35
5. Step 5: Solve for x
   x = 974,294,287.35/14,568.19
6. Step 6: Final answer
   x = 66,878.21