Finding the Third Proportional to 4,548,990 and 10,007,769

Step by Step Solution

1. Step 1: Write the proportion equation
   4,548,990 : 10,007,769 = 10,007,769 : x
2. Step 2: Convert to fraction form
   4,548,990/10,007,769 = 10,007,769/x
3. Step 3: Cross multiply
   4,548,990x = 10,007,769 × 10,007,769
4. Step 4: Simplify right side
   4,548,990x = 100,155,440,357,361
5. Step 5: Solve for x
   x = 100,155,440,357,361/4,548,990
6. Step 6: Final answer
   x = 22,017,072.00