Finding the Third Proportional to 9,196,444 and 21,678,577

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196,444 : 21,678,577 = 21,678,577 : x
2. Step 2: Convert to fraction form
   9,196,444/21,678,577 = 21,678,577/x
3. Step 3: Cross multiply
   9,196,444x = 21,678,577 × 21,678,577
4. Step 4: Simplify right side
   9,196,444x = 469,960,700,744,929
5. Step 5: Solve for x
   x = 469,960,700,744,929/9,196,444
6. Step 6: Final answer
   x = 51,102,437.07