Finding the Third Proportional to 916,385 and 1,974,692

Step by Step Solution

1. Step 1: Write the proportion equation
   916,385 : 1,974,692 = 1,974,692 : x
2. Step 2: Convert to fraction form
   916,385/1,974,692 = 1,974,692/x
3. Step 3: Cross multiply
   916,385x = 1,974,692 × 1,974,692
4. Step 4: Simplify right side
   916,385x = 3,899,408,494,864
5. Step 5: Solve for x
   x = 3,899,408,494,864/916,385
6. Step 6: Final answer
   x = 4,255,207.69