Finding the Third Proportional to 345,450.50 and 749,907

Step by Step Solution

1. Step 1: Write the proportion equation
   345,450.50 : 749,907 = 749,907 : x
2. Step 2: Convert to fraction form
   345,450.50/749,907 = 749,907/x
3. Step 3: Cross multiply
   345,450.50x = 749,907 × 749,907
4. Step 4: Simplify right side
   345,450.50x = 562,360,508,649
5. Step 5: Solve for x
   x = 562,360,508,649/345,450.50
6. Step 6: Final answer
   x = 1,627,904.75