Finding the Third Proportional to 4,061,745 and 8,920,692

Step by Step Solution

1. Step 1: Write the proportion equation
   4,061,745 : 8,920,692 = 8,920,692 : x
2. Step 2: Convert to fraction form
   4,061,745/8,920,692 = 8,920,692/x
3. Step 3: Cross multiply
   4,061,745x = 8,920,692 × 8,920,692
4. Step 4: Simplify right side
   4,061,745x = 79,578,745,758,864
5. Step 5: Solve for x
   x = 79,578,745,758,864/4,061,745
6. Step 6: Final answer
   x = 19,592,255.49