Finding the Third Proportional to 4,061,632 and 8,920,471

Step by Step Solution

1. Step 1: Write the proportion equation
   4,061,632 : 8,920,471 = 8,920,471 : x
2. Step 2: Convert to fraction form
   4,061,632/8,920,471 = 8,920,471/x
3. Step 3: Cross multiply
   4,061,632x = 8,920,471 × 8,920,471
4. Step 4: Simplify right side
   4,061,632x = 79,574,802,861,841
5. Step 5: Solve for x
   x = 79,574,802,861,841/4,061,632
6. Step 6: Final answer
   x = 19,591,829.80