Finding the Third Proportional to 551,758.50 and 741,474

Step by Step Solution

1. Step 1: Write the proportion equation
   551,758.50 : 741,474 = 741,474 : x
2. Step 2: Convert to fraction form
   551,758.50/741,474 = 741,474/x
3. Step 3: Cross multiply
   551,758.50x = 741,474 × 741,474
4. Step 4: Simplify right side
   551,758.50x = 549,783,692,676
5. Step 5: Solve for x
   x = 549,783,692,676/551,758.50
6. Step 6: Final answer
   x = 996,420.88