Finding the Third Proportional to 381,572 and 753,540

Step by Step Solution

1. Step 1: Write the proportion equation
   381,572 : 753,540 = 753,540 : x
2. Step 2: Convert to fraction form
   381,572/753,540 = 753,540/x
3. Step 3: Cross multiply
   381,572x = 753,540 × 753,540
4. Step 4: Simplify right side
   381,572x = 567,822,531,600
5. Step 5: Solve for x
   x = 567,822,531,600/381,572
6. Step 6: Final answer
   x = 1,488,113.73