Finding the Third Proportional to 681,262 and 1,478,434

Step by Step Solution

1. Step 1: Write the proportion equation
   681,262 : 1,478,434 = 1,478,434 : x
2. Step 2: Convert to fraction form
   681,262/1,478,434 = 1,478,434/x
3. Step 3: Cross multiply
   681,262x = 1,478,434 × 1,478,434
4. Step 4: Simplify right side
   681,262x = 2,185,767,092,356
5. Step 5: Solve for x
   x = 2,185,767,092,356/681,262
6. Step 6: Final answer
   x = 3,208,408.94