Finding the Third Proportional to 155,356.50 and 334,495.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,356.50 : 334,495.50 = 334,495.50 : x
2. Step 2: Convert to fraction form
   155,356.50/334,495.50 = 334,495.50/x
3. Step 3: Cross multiply
   155,356.50x = 334,495.50 × 334,495.50
4. Step 4: Simplify right side
   155,356.50x = 111,887,239,520.25
5. Step 5: Solve for x
   x = 111,887,239,520.25/155,356.50
6. Step 6: Final answer
   x = 720,196.71