Finding the Third Proportional to 1,671,438 and 3,608,878

Step by Step Solution

1. Step 1: Write the proportion equation
   1,671,438 : 3,608,878 = 3,608,878 : x
2. Step 2: Convert to fraction form
   1,671,438/3,608,878 = 3,608,878/x
3. Step 3: Cross multiply
   1,671,438x = 3,608,878 × 3,608,878
4. Step 4: Simplify right side
   1,671,438x = 13,024,000,418,884
5. Step 5: Solve for x
   x = 13,024,000,418,884/1,671,438
6. Step 6: Final answer
   x = 7,792,093.05