Finding the Third Proportional to 74,455.50 and 159,300

Step by Step Solution

1. Step 1: Write the proportion equation
   74,455.50 : 159,300 = 159,300 : x
2. Step 2: Convert to fraction form
   74,455.50/159,300 = 159,300/x
3. Step 3: Cross multiply
   74,455.50x = 159,300 × 159,300
4. Step 4: Simplify right side
   74,455.50x = 25,376,490,000
5. Step 5: Solve for x
   x = 25,376,490,000/74,455.50
6. Step 6: Final answer
   x = 340,827.61