Finding the Third Proportional to 8,431,402 and 18,141,582

Step by Step Solution

1. Step 1: Write the proportion equation
   8,431,402 : 18,141,582 = 18,141,582 : x
2. Step 2: Convert to fraction form
   8,431,402/18,141,582 = 18,141,582/x
3. Step 3: Cross multiply
   8,431,402x = 18,141,582 × 18,141,582
4. Step 4: Simplify right side
   8,431,402x = 329,116,997,462,724
5. Step 5: Solve for x
   x = 329,116,997,462,724/8,431,402
6. Step 6: Final answer
   x = 39,034,670.33