Finding the Third Proportional to 74,070 and 159,379.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,070 : 159,379.50 = 159,379.50 : x
2. Step 2: Convert to fraction form
   74,070/159,379.50 = 159,379.50/x
3. Step 3: Cross multiply
   74,070x = 159,379.50 × 159,379.50
4. Step 4: Simplify right side
   74,070x = 25,401,825,020.25
5. Step 5: Solve for x
   x = 25,401,825,020.25/74,070
6. Step 6: Final answer
   x = 342,943.50