Finding the Third Proportional to 15,300.50 and 33,409

Step by Step Solution

1. Step 1: Write the proportion equation
   15,300.50 : 33,409 = 33,409 : x
2. Step 2: Convert to fraction form
   15,300.50/33,409 = 33,409/x
3. Step 3: Cross multiply
   15,300.50x = 33,409 × 33,409
4. Step 4: Simplify right side
   15,300.50x = 1,116,161,281
5. Step 5: Solve for x
   x = 1,116,161,281/15,300.50
6. Step 6: Final answer
   x = 72,949.33