Finding the Third Proportional to 74,115 and 162,175.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,115 : 162,175.50 = 162,175.50 : x
2. Step 2: Convert to fraction form
   74,115/162,175.50 = 162,175.50/x
3. Step 3: Cross multiply
   74,115x = 162,175.50 × 162,175.50
4. Step 4: Simplify right side
   74,115x = 26,300,892,800.25
5. Step 5: Solve for x
   x = 26,300,892,800.25/74,115
6. Step 6: Final answer
   x = 354,865.99