Finding the Third Proportional to 155,521.50 and 340,614

Step by Step Solution

1. Step 1: Write the proportion equation
   155,521.50 : 340,614 = 340,614 : x
2. Step 2: Convert to fraction form
   155,521.50/340,614 = 340,614/x
3. Step 3: Cross multiply
   155,521.50x = 340,614 × 340,614
4. Step 4: Simplify right side
   155,521.50x = 116,017,896,996
5. Step 5: Solve for x
   x = 116,017,896,996/155,521.50
6. Step 6: Final answer
   x = 745,992.66