Finding the Third Proportional to 4,233,642 and 9,013,494

Step by Step Solution

1. Step 1: Write the proportion equation
   4,233,642 : 9,013,494 = 9,013,494 : x
2. Step 2: Convert to fraction form
   4,233,642/9,013,494 = 9,013,494/x
3. Step 3: Cross multiply
   4,233,642x = 9,013,494 × 9,013,494
4. Step 4: Simplify right side
   4,233,642x = 81,243,074,088,036
5. Step 5: Solve for x
   x = 81,243,074,088,036/4,233,642
6. Step 6: Final answer
   x = 19,189,878.14