Finding the Third Proportional to 8,402,516 and 18,325,928

Step by Step Solution

1. Step 1: Write the proportion equation
   8,402,516 : 18,325,928 = 18,325,928 : x
2. Step 2: Convert to fraction form
   8,402,516/18,325,928 = 18,325,928/x
3. Step 3: Cross multiply
   8,402,516x = 18,325,928 × 18,325,928
4. Step 4: Simplify right side
   8,402,516x = 335,839,637,061,184
5. Step 5: Solve for x
   x = 335,839,637,061,184/8,402,516
6. Step 6: Final answer
   x = 39,968,937.53