Finding the Third Proportional to 349,812 and 741,661.88

Step by Step Solution

1. Step 1: Write the proportion equation
   349,812 : 741,661.88 = 741,661.88 : x
2. Step 2: Convert to fraction form
   349,812/741,661.88 = 741,661.88/x
3. Step 3: Cross multiply
   349,812x = 741,661.88 × 741,661.88
4. Step 4: Simplify right side
   349,812x = 550,062,336,828.52
5. Step 5: Solve for x
   x = 550,062,336,828.52/349,812
6. Step 6: Final answer
   x = 1,572,451.31