Finding the Third Proportional to 15,786 and 34,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,786 : 34,031.50 = 34,031.50 : x
2. Step 2: Convert to fraction form
   15,786/34,031.50 = 34,031.50/x
3. Step 3: Cross multiply
   15,786x = 34,031.50 × 34,031.50
4. Step 4: Simplify right side
   15,786x = 1,158,142,992.25
5. Step 5: Solve for x
   x = 1,158,142,992.25/15,786
6. Step 6: Final answer
   x = 73,365.20