Finding the Third Proportional to 15,343.17 and 33,420.09

Step by Step Solution

1. Step 1: Write the proportion equation
   15,343.17 : 33,420.09 = 33,420.09 : x
2. Step 2: Convert to fraction form
   15,343.17/33,420.09 = 33,420.09/x
3. Step 3: Cross multiply
   15,343.17x = 33,420.09 × 33,420.09
4. Step 4: Simplify right side
   15,343.17x = 1,116,902,666.26
5. Step 5: Solve for x
   x = 1,116,902,666.26/15,343.17
6. Step 6: Final answer
   x = 72,794.77