Finding the Third Proportional to 1,671,430 and 3,608,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,671,430 : 3,608,864 = 3,608,864 : x
2. Step 2: Convert to fraction form
   1,671,430/3,608,864 = 3,608,864/x
3. Step 3: Cross multiply
   1,671,430x = 3,608,864 × 3,608,864
4. Step 4: Simplify right side
   1,671,430x = 13,023,899,370,496
5. Step 5: Solve for x
   x = 13,023,899,370,496/1,671,430
6. Step 6: Final answer
   x = 7,792,069.89