Finding the Third Proportional to 343,272.50 and 747,570

Step by Step Solution

1. Step 1: Write the proportion equation
   343,272.50 : 747,570 = 747,570 : x
2. Step 2: Convert to fraction form
   343,272.50/747,570 = 747,570/x
3. Step 3: Cross multiply
   343,272.50x = 747,570 × 747,570
4. Step 4: Simplify right side
   343,272.50x = 558,860,904,900
5. Step 5: Solve for x
   x = 558,860,904,900/343,272.50
6. Step 6: Final answer
   x = 1,628,038.67