Finding the Third Proportional to 74,488.50 and 162,364.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,488.50 : 162,364.50 = 162,364.50 : x
2. Step 2: Convert to fraction form
   74,488.50/162,364.50 = 162,364.50/x
3. Step 3: Cross multiply
   74,488.50x = 162,364.50 × 162,364.50
4. Step 4: Simplify right side
   74,488.50x = 26,362,230,860.25
5. Step 5: Solve for x
   x = 26,362,230,860.25/74,488.50
6. Step 6: Final answer
   x = 353,910.08