Finding the Third Proportional to 8,400,762 and 18,321,956

Step by Step Solution

1. Step 1: Write the proportion equation
   8,400,762 : 18,321,956 = 18,321,956 : x
2. Step 2: Convert to fraction form
   8,400,762/18,321,956 = 18,321,956/x
3. Step 3: Cross multiply
   8,400,762x = 18,321,956 × 18,321,956
4. Step 4: Simplify right side
   8,400,762x = 335,694,071,665,936
5. Step 5: Solve for x
   x = 335,694,071,665,936/8,400,762
6. Step 6: Final answer
   x = 39,959,955.02