Finding the Third Proportional to 344,287.50 and 745,749

Step by Step Solution

1. Step 1: Write the proportion equation
   344,287.50 : 745,749 = 745,749 : x
2. Step 2: Convert to fraction form
   344,287.50/745,749 = 745,749/x
3. Step 3: Cross multiply
   344,287.50x = 745,749 × 745,749
4. Step 4: Simplify right side
   344,287.50x = 556,141,571,001
5. Step 5: Solve for x
   x = 556,141,571,001/344,287.50
6. Step 6: Final answer
   x = 1,615,340.58