Finding the Third Proportional to 1,868,865 and 4,091,538

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,865 : 4,091,538 = 4,091,538 : x
2. Step 2: Convert to fraction form
   1,868,865/4,091,538 = 4,091,538/x
3. Step 3: Cross multiply
   1,868,865x = 4,091,538 × 4,091,538
4. Step 4: Simplify right side
   1,868,865x = 16,740,683,205,444
5. Step 5: Solve for x
   x = 16,740,683,205,444/1,868,865
6. Step 6: Final answer
   x = 8,957,673.89