Finding the Third Proportional to 4,445,397 and 9,553,482

Step by Step Solution

1. Step 1: Write the proportion equation
   4,445,397 : 9,553,482 = 9,553,482 : x
2. Step 2: Convert to fraction form
   4,445,397/9,553,482 = 9,553,482/x
3. Step 3: Cross multiply
   4,445,397x = 9,553,482 × 9,553,482
4. Step 4: Simplify right side
   4,445,397x = 91,269,018,324,324
5. Step 5: Solve for x
   x = 91,269,018,324,324/4,445,397
6. Step 6: Final answer
   x = 20,531,128.79