Finding the Third Proportional to 19,645,816 and 41,327,642

Step by Step Solution

1. Step 1: Write the proportion equation
   19,645,816 : 41,327,642 = 41,327,642 : x
2. Step 2: Convert to fraction form
   19,645,816/41,327,642 = 41,327,642/x
3. Step 3: Cross multiply
   19,645,816x = 41,327,642 × 41,327,642
4. Step 4: Simplify right side
   19,645,816x = 1,707,973,993,280,164
5. Step 5: Solve for x
   x = 1,707,973,993,280,164/19,645,816
6. Step 6: Final answer
   x = 86,938,307.54