Finding the Third Proportional to 73,696.50 and 173,237.25

Step by Step Solution

1. Step 1: Write the proportion equation
   73,696.50 : 173,237.25 = 173,237.25 : x
2. Step 2: Convert to fraction form
   73,696.50/173,237.25 = 173,237.25/x
3. Step 3: Cross multiply
   73,696.50x = 173,237.25 × 173,237.25
4. Step 4: Simplify right side
   73,696.50x = 30,011,144,787.56
5. Step 5: Solve for x
   x = 30,011,144,787.56/73,696.50
6. Step 6: Final answer
   x = 407,226.19