Finding the Third Proportional to 4,039,092 and 8,645,571

Step by Step Solution

1. Step 1: Write the proportion equation
   4,039,092 : 8,645,571 = 8,645,571 : x
2. Step 2: Convert to fraction form
   4,039,092/8,645,571 = 8,645,571/x
3. Step 3: Cross multiply
   4,039,092x = 8,645,571 × 8,645,571
4. Step 4: Simplify right side
   4,039,092x = 74,745,897,916,041
5. Step 5: Solve for x
   x = 74,745,897,916,041/4,039,092
6. Step 6: Final answer
   x = 18,505,619.06