Finding the Third Proportional to 343,748.25 and 740,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   343,748.25 : 740,155.50 = 740,155.50 : x
2. Step 2: Convert to fraction form
   343,748.25/740,155.50 = 740,155.50/x
3. Step 3: Cross multiply
   343,748.25x = 740,155.50 × 740,155.50
4. Step 4: Simplify right side
   343,748.25x = 547,830,164,180.25
5. Step 5: Solve for x
   x = 547,830,164,180.25/343,748.25
6. Step 6: Final answer
   x = 1,593,695.86