Finding the Third Proportional to 15,909 and 35,943.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,909 : 35,943.50 = 35,943.50 : x
2. Step 2: Convert to fraction form
   15,909/35,943.50 = 35,943.50/x
3. Step 3: Cross multiply
   15,909x = 35,943.50 × 35,943.50
4. Step 4: Simplify right side
   15,909x = 1,291,935,192.25
5. Step 5: Solve for x
   x = 1,291,935,192.25/15,909
6. Step 6: Final answer
   x = 81,207.82