Finding the Third Proportional to 4,039,044 and 8,645,592

Step by Step Solution

1. Step 1: Write the proportion equation
   4,039,044 : 8,645,592 = 8,645,592 : x
2. Step 2: Convert to fraction form
   4,039,044/8,645,592 = 8,645,592/x
3. Step 3: Cross multiply
   4,039,044x = 8,645,592 × 8,645,592
4. Step 4: Simplify right side
   4,039,044x = 74,746,261,030,464
5. Step 5: Solve for x
   x = 74,746,261,030,464/4,039,044
6. Step 6: Final answer
   x = 18,505,928.89