Finding the Third Proportional to 4,320,434 and 9,334,012

Step by Step Solution

1. Step 1: Write the proportion equation
   4,320,434 : 9,334,012 = 9,334,012 : x
2. Step 2: Convert to fraction form
   4,320,434/9,334,012 = 9,334,012/x
3. Step 3: Cross multiply
   4,320,434x = 9,334,012 × 9,334,012
4. Step 4: Simplify right side
   4,320,434x = 87,123,780,016,144
5. Step 5: Solve for x
   x = 87,123,780,016,144/4,320,434
6. Step 6: Final answer
   x = 20,165,515.78