Finding the Third Proportional to 13,857.89 and 28,700.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,857.89 : 28,700.16 = 28,700.16 : x
2. Step 2: Convert to fraction form
   13,857.89/28,700.16 = 28,700.16/x
3. Step 3: Cross multiply
   13,857.89x = 28,700.16 × 28,700.16
4. Step 4: Simplify right side
   13,857.89x = 823,698,968.77
5. Step 5: Solve for x
   x = 823,698,968.77/13,857.89
6. Step 6: Final answer
   x = 59,438.99