Finding the Third Proportional to 33,428.81 and 73,418.06

Step by Step Solution

1. Step 1: Write the proportion equation
   33,428.81 : 73,418.06 = 73,418.06 : x
2. Step 2: Convert to fraction form
   33,428.81/73,418.06 = 73,418.06/x
3. Step 3: Cross multiply
   33,428.81x = 73,418.06 × 73,418.06
4. Step 4: Simplify right side
   33,428.81x = 5,390,211,901.25
5. Step 5: Solve for x
   x = 5,390,211,901.25/33,428.81
6. Step 6: Final answer
   x = 161,244.49