Finding the Third Proportional to 17,859 and 38,892.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,859 : 38,892.75 = 38,892.75 : x
2. Step 2: Convert to fraction form
   17,859/38,892.75 = 38,892.75/x
3. Step 3: Cross multiply
   17,859x = 38,892.75 × 38,892.75
4. Step 4: Simplify right side
   17,859x = 1,512,646,002.56
5. Step 5: Solve for x
   x = 1,512,646,002.56/17,859
6. Step 6: Final answer
   x = 84,699.37