Finding the Third Proportional to 18,269.93 and 40,031.09

Step by Step Solution

1. Step 1: Write the proportion equation
   18,269.93 : 40,031.09 = 40,031.09 : x
2. Step 2: Convert to fraction form
   18,269.93/40,031.09 = 40,031.09/x
3. Step 3: Cross multiply
   18,269.93x = 40,031.09 × 40,031.09
4. Step 4: Simplify right side
   18,269.93x = 1,602,487,841.34
5. Step 5: Solve for x
   x = 1,602,487,841.34/18,269.93
6. Step 6: Final answer
   x = 87,711.77