Finding the Third Proportional to 4,061,626 and 8,920,458

Step by Step Solution

1. Step 1: Write the proportion equation
   4,061,626 : 8,920,458 = 8,920,458 : x
2. Step 2: Convert to fraction form
   4,061,626/8,920,458 = 8,920,458/x
3. Step 3: Cross multiply
   4,061,626x = 8,920,458 × 8,920,458
4. Step 4: Simplify right side
   4,061,626x = 79,574,570,929,764
5. Step 5: Solve for x
   x = 79,574,570,929,764/4,061,626
6. Step 6: Final answer
   x = 19,591,801.64