Finding the Third Proportional to 7,687.50 and 18,141

Step by Step Solution

1. Step 1: Write the proportion equation
   7,687.50 : 18,141 = 18,141 : x
2. Step 2: Convert to fraction form
   7,687.50/18,141 = 18,141/x
3. Step 3: Cross multiply
   7,687.50x = 18,141 × 18,141
4. Step 4: Simplify right side
   7,687.50x = 329,095,881
5. Step 5: Solve for x
   x = 329,095,881/7,687.50
6. Step 6: Final answer
   x = 42,809.22