Finding the Third Proportional to 4,479,906 and 9,773,538

Step by Step Solution

1. Step 1: Write the proportion equation
   4,479,906 : 9,773,538 = 9,773,538 : x
2. Step 2: Convert to fraction form
   4,479,906/9,773,538 = 9,773,538/x
3. Step 3: Cross multiply
   4,479,906x = 9,773,538 × 9,773,538
4. Step 4: Simplify right side
   4,479,906x = 95,522,045,037,444
5. Step 5: Solve for x
   x = 95,522,045,037,444/4,479,906
6. Step 6: Final answer
   x = 21,322,332.44