Finding the Third Proportional to 4,061,758 and 8,920,718

Step by Step Solution

1. Step 1: Write the proportion equation
   4,061,758 : 8,920,718 = 8,920,718 : x
2. Step 2: Convert to fraction form
   4,061,758/8,920,718 = 8,920,718/x
3. Step 3: Cross multiply
   4,061,758x = 8,920,718 × 8,920,718
4. Step 4: Simplify right side
   4,061,758x = 79,579,209,635,524
5. Step 5: Solve for x
   x = 79,579,209,635,524/4,061,758
6. Step 6: Final answer
   x = 19,592,306.99