Finding the Third Proportional to 4,061,630 and 8,920,466

Step by Step Solution

1. Step 1: Write the proportion equation
   4,061,630 : 8,920,466 = 8,920,466 : x
2. Step 2: Convert to fraction form
   4,061,630/8,920,466 = 8,920,466/x
3. Step 3: Cross multiply
   4,061,630x = 8,920,466 × 8,920,466
4. Step 4: Simplify right side
   4,061,630x = 79,574,713,657,156
5. Step 5: Solve for x
   x = 79,574,713,657,156/4,061,630
6. Step 6: Final answer
   x = 19,591,817.49