Finding the Third Proportional to 1,628,430 and 3,473,274

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628,430 : 3,473,274 = 3,473,274 : x
2. Step 2: Convert to fraction form
   1,628,430/3,473,274 = 3,473,274/x
3. Step 3: Cross multiply
   1,628,430x = 3,473,274 × 3,473,274
4. Step 4: Simplify right side
   1,628,430x = 12,063,632,279,076
5. Step 5: Solve for x
   x = 12,063,632,279,076/1,628,430
6. Step 6: Final answer
   x = 7,408,136.84