Finding the Third Proportional to 17,609.91 and 38,500.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,609.91 : 38,500.31 = 38,500.31 : x
2. Step 2: Convert to fraction form
   17,609.91/38,500.31 = 38,500.31/x
3. Step 3: Cross multiply
   17,609.91x = 38,500.31 × 38,500.31
4. Step 4: Simplify right side
   17,609.91x = 1,482,274,062.60
5. Step 5: Solve for x
   x = 1,482,274,062.60/17,609.91
6. Step 6: Final answer
   x = 84,172.74