Finding the Third Proportional to 343,746 and 740,153.25

Step by Step Solution

1. Step 1: Write the proportion equation
   343,746 : 740,153.25 = 740,153.25 : x
2. Step 2: Convert to fraction form
   343,746/740,153.25 = 740,153.25/x
3. Step 3: Cross multiply
   343,746x = 740,153.25 × 740,153.25
4. Step 4: Simplify right side
   343,746x = 547,826,833,485.56
5. Step 5: Solve for x
   x = 547,826,833,485.56/343,746
6. Step 6: Final answer
   x = 1,593,696.61