Finding the Third Proportional to 681,780 and 1,483,272

Step by Step Solution

1. Step 1: Write the proportion equation
   681,780 : 1,483,272 = 1,483,272 : x
2. Step 2: Convert to fraction form
   681,780/1,483,272 = 1,483,272/x
3. Step 3: Cross multiply
   681,780x = 1,483,272 × 1,483,272
4. Step 4: Simplify right side
   681,780x = 2,200,095,825,984
5. Step 5: Solve for x
   x = 2,200,095,825,984/681,780
6. Step 6: Final answer
   x = 3,226,987.92