Finding the Third Proportional to 344,071.50 and 743,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   344,071.50 : 743,501.50 = 743,501.50 : x
2. Step 2: Convert to fraction form
   344,071.50/743,501.50 = 743,501.50/x
3. Step 3: Cross multiply
   344,071.50x = 743,501.50 × 743,501.50
4. Step 4: Simplify right side
   344,071.50x = 552,794,480,502.25
5. Step 5: Solve for x
   x = 552,794,480,502.25/344,071.50
6. Step 6: Final answer
   x = 1,606,626.76