Finding the Third Proportional to 1,865,461 and 4,078,898

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,461 : 4,078,898 = 4,078,898 : x
2. Step 2: Convert to fraction form
   1,865,461/4,078,898 = 4,078,898/x
3. Step 3: Cross multiply
   1,865,461x = 4,078,898 × 4,078,898
4. Step 4: Simplify right side
   1,865,461x = 16,637,408,894,404
5. Step 5: Solve for x
   x = 16,637,408,894,404/1,865,461
6. Step 6: Final answer
   x = 8,918,658.12