Finding the Third Proportional to 4,638,915 and 9,596,038

Step by Step Solution

1. Step 1: Write the proportion equation
   4,638,915 : 9,596,038 = 9,596,038 : x
2. Step 2: Convert to fraction form
   4,638,915/9,596,038 = 9,596,038/x
3. Step 3: Cross multiply
   4,638,915x = 9,596,038 × 9,596,038
4. Step 4: Simplify right side
   4,638,915x = 92,083,945,297,444
5. Step 5: Solve for x
   x = 92,083,945,297,444/4,638,915
6. Step 6: Final answer
   x = 19,850,319.59