Finding the Third Proportional to 4,318,245 and 9,300,789

Step by Step Solution

1. Step 1: Write the proportion equation
   4,318,245 : 9,300,789 = 9,300,789 : x
2. Step 2: Convert to fraction form
   4,318,245/9,300,789 = 9,300,789/x
3. Step 3: Cross multiply
   4,318,245x = 9,300,789 × 9,300,789
4. Step 4: Simplify right side
   4,318,245x = 86,504,676,022,521
5. Step 5: Solve for x
   x = 86,504,676,022,521/4,318,245
6. Step 6: Final answer
   x = 20,032,368.71